More than 150 nations agreed to open talks on mandatory reductions in green house gases.

Please note that this lecture constitutes part of the exam, and attendance is mandatory.

请注意这课将会是考试的一部份, 是强制性参加.

First, for competitive reasons, providing sales financing for customers is virtually mandatory in many industries.

首先, 有竞争力的原因, 提供资金的客户的销售几乎是强制性的许多行业.

It's mandatory to pay taxes.

缴税是义务性的.

Some provinces like Yunnan and Henan have also instituted mandatory HIV tests for sex workers.

像云南和河南这些省份也已经开始在性工作者中展开强制的艾滋病检测.

The Rhone empties into the Mediterranean.

罗讷河流入地中海.

He crossed the great river Rhone.

他渡过了巨大的罗纳河.

The Rhone Group are ready to help fund Liverpool's summer market plans.

罗恩集团打算用实际行动帮助利物浦在今夏的转会市场上火一把.

Informations Rhone Alpes-French website containing informations about the cities of the Rhone-Alpes region.

信息罗讷阿尔卑斯 - 法语网页载有信息,对城市的罗讷 - 阿尔卑斯大区.

Inman: are every that keeps me from sliding into whatever Stygian place.

英曼: 你一直在帮助我不让我滑进某些黑暗的地方.

According to Mendeleyev's periodic table, there seem to be still some elements undiscovered yet.

按照门捷列夫周期表, 似乎还有一些元素尚未发现.

The policy reversal as shortages spread the capital, which is usually the country's periodic supply crunches.

政府政策出现逆转,是因为短缺问题已经蔓延到了首都北京.通常情况下, 北京不会受到中国每隔一段时间会发生的供应短缺影响.

TITLE: Which thyroid cancer patients need periodic stimulation tests?

题目: 那类甲状腺癌患者需要定期刺激试验?

Some commercial laboratories use periodic nitrate tests as guides.

许多商业性的试验室已应用定期的硝态氮分析作为指导.

Long long ago, we knew the periodic motion of a planet.

很久以前, 我们就知道行星的周期运动.

Periodic checks are carried out on the equipment.

设备定期进行检查。

These arrangements are subject to periodic reviews.

这几项安排每隔一定时间须予复查.

There may be periodic police "sweeps" of crime in the area.

警方可能对该地区的犯罪活动进行定时的“扫荡”。

Periodic change imposed on a controlled variable or a function by a controller.

通过控制器控制某一变量或函数进行周期性变化.

A wave that repeats, like the one above, is called a periodic wave.

如上图所示的周期性的波, 称之为周期波.

The interaction properties of periodic waves are found to be inelastic.

研究了这些周期波之间的相互作用,发现其相互作用是非弹性的.