The duration of previous geologic periods was difficult to determine.

以前很难确定地质期的持续时间。

youdao

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。

youdao

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。

youdao

"There is increased evidence that it helps shorten the duration of the common cold sometimes even by two to three days."

VOA: special.2011.04.20

The rise time and the peak energy and the sustained duration of some of these sounds are highly detrimental to our hearing.

某些声响的起始，高峰以及持续阶段,对我们听力的损害,是极大的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

specifically for the duration of the project whether it be a TV series or a one-off project,

特别是项目实施期间，无论是电视连续剧还是一次性项目，

英国的影视产业 - SpeakingMax英语口语达人

The stars reportedly picked up the Los Angeles rental for the duration of the summer.

FORBES: Connect

This is the shortest duration of DAPT for any major drug eluting stent (DES) in Europe.

FORBES: Xience Stents Gain European Nod For Three-Month Dual Antiplatelet Therapy

The average duration of unemployment rose to 36.9 weeks, up from 35.3 weeks in January.

WSJ: Zuckerman: The Great Recession Has Been Followed by the Grand Illusion