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1·The duration of previous geologic periods was difficult to determine.

以前很难确定地质期的持续时间。

2·Recently, a zinc gel applied nasally has been shown to greatly reduce the duration of colds.

最近，一种应用于鼻腔的锌凝胶被证明可以大大缩短感冒的持续时间。

3·The length of time of which the eyes stop—the duration of the fixation—varies considerably from person to person.

眼睛停留的时间，即注视的持续时间，因人而异。

4·By contrast, the audience encounters an opera or a play over a specific time, which is the duration of the performance.

相反，观众可以有一段具体的时间来欣赏话剧或者戏剧，这段时间就是表演的持续时间。

5·The studies in which parents were asked about daycare and playgroup attendance varied when it came to the timing, duration.

在这些研究中，家长被问及日托和儿童游戏小组的出勤率，在时间、持续时间。

6·Forgetting clearly aids orientation in time, since old memories weaken and the new tend to stand out, providing clues for inferring duration.

遗忘显然有助于时间的定位，因为旧的记忆会减弱，新的记忆会突显出来，从而为推断持续的时间提供线索。

7·The difference between the two measures provides the researcher with an indication of the level and duration of the response to the stimulus.

这两种测量方法的差别为研究者提供了对于刺激反应的水平和持续时间的指示。

8·Participants were balanced across the three groups for age, sex, educational background, severity and duration of depression, and use of antidepressants.

就年龄、性别、教育背景、抑郁症的严重程度和持续时间以及抗抑郁药物的使用这几点来说，这三组参与者都保持了平衡。

9·Participants were balanced across the three groups for age, sex, educational back-ground, severity and duration of depression, and use of antidepressants.

这三组参与者在年龄、性别、教育背景、抑郁症的严重程度和持续时间以及抗抑郁药物的使用上保持平衡。

10·Moreover, when the antibody was given to chimpanzees, it inhibited rhinoviral growth, and in humans it lessened both the severity and duration of cold symptoms.

此外，当把这种抗体注射到黑猩猩身上时，它能抑制鼻病毒的生长，而在人类身上，它能减轻感冒症状的严重程度和持续时间。

期间

1·They were incarcerated for the duration of the war.

他们在战争期间被监禁。《柯林斯英汉双解大词典》

2·He was given the task of protecting her for the duration of the trial.

他被委以在审判期间保护她的任务。《柯林斯英汉双解大词典》

3·We can see that over the duration of the workload not all transactions performed as expected.

我们可以看到在工作期间，不是所有的交易都得到了预期的处理。

4·Nevertheless, I must ask you to sign this waiver, which relieves our corporation of responsibility for anything you or he may do or say for the duration of the effect.

不过呢，我必须得让你签署这份弃权声明。在药物起效期间，你和你的老公无论干了什么事、说了什么话，我们公司都不负任何责任。

5·Because each task can have its own logical processor, it receives considerably more processor time for the same given duration of the test.

因为每一个任务都有其自己的逻辑处理器，所以在同一给定的测试期间它会收到相当多的处理器时间。

持续

1·The studies in which parents were asked about daycare and playgroup attendance varied when it came to the timing, duration.

在这些研究中，家长被问及日托和儿童游戏小组的出勤率，在时间、持续时间。

2·Forgetting clearly aids orientation in time, since old memories weaken and the new tend to stand out, providing clues for inferring duration.

遗忘显然有助于时间的定位，因为旧的记忆会减弱，新的记忆会突显出来，从而为推断持续的时间提供线索。

3·Among student subjects who discussed meat ethics, meal purchases containing meat decreased from 52 to 45 percent—and this effect held steady for the study's duration of several weeks.

在参与讨论肉类伦理的学生受试人群中，肉食购买率从52%下降到45%——而且这一影响在研究持续的几周内保持稳定。

4·Dreams about smoking were the result of tobacco withdrawal, as 97% of subjects did not have them while smoking, and their occurrence was significantly related to the duration of abstinence.

与吸烟有关的梦是香烟被收回引起的，约97%的病例在吸烟时不会做那样的梦，这些梦的出现与禁烟的持续有极大关系。

5·This determines when the services start running, whereas the duration setting determines the maximum time the service runs after it started.

这决定服务开始运行的时间，而持续时间设置决定服务启动之后运行的最长时间。

时长

1·One thing that still doesn't fit right is the DE duration of the track.

一个尚不能正确工作的事情是音轨的时长。

2·Be honest: Sleep duration and quality can be as important to your health as your blood pressure and cholesterol level.

坦率地讲，对于健康来说，睡眠时长和睡眠质量同你的血压和胆固醇水平一样重要。

3·The neutral tones of Beijing dialect, Shanghai dialect and Urumchi dialect differ in duration, pitch and the changes they cause in the preceding syllables.

北京话、上海话、乌鲁木齐话的轻声在时长、音高及其对前字的影响上各有特点。

4·Time, total duration prescribed party no more than 5 hours, including dining in 1 hour.

时间上，规定派对总时长不超过5小时，其中用餐在1小时左右。

5·For example, in Morse code the dots and dashes of a character are separated by an inter character space, which is three times the duration of an inter symbol space.

例如，在莫尔斯电码中，字的点、划是由符号间的空格来分开的，而字符之间又是由字符间的空格分开的，字符间空格的时长是符号间空格的三倍。

持续期

1·As most human cases of RVF are relatively mild and of short duration, no specific treatment is required for these patients.

由于大多数裂谷热人间病例病症相对较轻且持续期短，这类患者不需要任何特定的治疗。

2·The personality traits were not related with either latency or duration of temporalis ES2 in any group.

在2组数据中的人格特质与颞肌es2的潜伏期或持续期均不相关。

3·Among 47 cases of positional nystagmus, the latent periods, duration, and the incidences in directional changes disclosed no significant differences.

在阳性的47例中，其眼震潜伏期、持续期、慢相角速及指向改变的发生率，各病种间无明显差异。

4·Larger plants displayed a longer flowering duration.

个体较大的植株开花持续期较长。

5·The decreasing of thylakoid membrane electron transport activities in sharp fall phase were significantly higher than that of active photosynthetic duration under strong illumination stress.

强光逆境下，速降期类囊体电子传递活性受抑制程度比高值持续期明显。

持续期间

1·This means that you can verify the health of the application systems for the duration of your test run.

这意味着你可以在测试运行的持续期间，验证程序系统的健康状况。

2·Session locks are those that span multiple transactional units of work; they cover the entire duration of some business process.

会话锁是指那些跨越多个工作事务单元的锁，它们涵盖某些业务流程的整个持续期间。

3·This means that during the duration of a Comet streaming style communication, at least one connection is tied up on each system from the client device to the backend server.

这就意味着在comet流样式通信持续期间，从客户端设备到后端服务器的每个系统上都至少有一个连接处于不可用状态。

4·It is fundamental to keep all stakeholders informed and engaged for the duration of the project.

在项目持续期间内，通知所有利益相关者并使其参与该项目是一项基础性工作。

5·For example, if the data source has ten rows, then the load test will have ten test iterations executed and then stop, even if there is time left in the test duration.

就例如如果资料来源有十个的资料列，然后负载测试就会有十个执行的测试反复项目，然后停止，即使没有时间左边以测试持续期间。

时间长短

1·Depending on the rate and duration of use, cell phone radiation was shown to be responsible for an up to 270 percent increase in gliomas, a type of brain tumor.

取决于使用手机的频率和时间长短，手机辐射能增加多达270%的脑质瘤，脑瘤的一种。

2·The subjects were also shown the video at two different speeds and asked to r ate the duration of each clip.

用两种不同速度播放录像，参与者要比较出时间长短。

3·Small towel service under the number, the duration of the meeting may be set.

小毛巾服务的次数可根据会议的时间长短可定。

4·Regardless of its cause, acquired obstruction leads to similar changes in the urinary tract, which vary depending on the severity and duration of obstruction.

不论何种原因，获得性梗阻引起尿路内相类似的改变，而改变的具体情况则因梗阻的严重程度和时间长短有所不同。

5·The duration and severity of symptoms were not predictive of poor outcomes following injections.

时间长短和症状的严重性，在注射后，不能猜测。

延续时间

1·This makes it hard to predict the actual duration of single instances, especially on a heavily loaded system.

这使您很难预测单一实例的实际延续时间，尤其是在负载很高的系统上。

2·And so we might need to work out various, more complicated, formulas here, where we multiply the pain times its duration and take into account its intensity, get the sheer quantity of pain that way.

我们需要编制出各种，更复杂的公式，以便增加痛苦的倍数，延续时间，还要考虑痛苦的强度，获得痛苦的纯量。

3·A new efficient procedure in calculation of the probability distribution of the duration of the deck wetness is also presented.

在上浪延续时间的分布函数计算中改进了以往的计算方法。

4·Romantic novel is a novel during the late Ming and early Qing type, their number and the duration of the long, creative tendencies of the agreement is unprecedented in the history of the novel.

才子佳人小说是明末清初时期的一种小说类型，其数量之多，延续时间之长，创作倾向之一致，在小说史上都是空前的。

5·Besides acute exposure of large dose, there are repeated exposures mainly in which exposure duration is unequal and dose levels heterogeneous, even exposure may continue for a couple of days.

辐射事故照射，除大剂量急性照射情况外，更多的还有受照延续时间不等、照射水平不一的多次受照情况，甚至尚有数天内连续受照的。

久期

1·Similarly, the duration on municipal bonds has risen to 8.3 from 8.1.

同样，市政债券的久期也从8.1上升到8.3。

2·This paper uses some indexes such as PVBP, duration and convexity to measure volatilities of government bond prices in Shanghai Stock Exchange and Interbank Market.

本文选用了基点价格值、久期与凸性等指标对上海证券交易所与银行间市场国债价格的波动性进行测度。

3·Based on the bond market of China, the interest rate sensitivity measurement for fixed and floating rate bonds are studied in this paper. The approaches used are Duration and Convexity respectively.

基于中国债券市场研究了固定利率和浮动利率债券的利率敏感性度量：久期和凸性。

时值

1·What the whole note is, what all these symbols are are simply representations of duration so we have a symbolic language here that's going to represent the horizontal axis the axis of duration.

什么是全音符,这些符号又都是什么呢,这些就是简单代表了持续时间,因此我们这里有一套符号语言,来代表横轴,就是时值的那条轴

2·So so far we've had duration and accent.

目前我们知道了时值和重音这两个途径

3·Let's go on to talk about the other axis of music and that is rhythm or duration.

让我们继续讨论音乐的其它维度，节奏或时值。

(1)for the duration在整个非常时期内

(1)short duration短期间，短历时

(1)long duration长持续时间

(1)pulse duration脉冲持续时间

(1)sunshine duration日照时间；日照延时

(1)activity duration工字续时间；活动持续时间