It is known that tobacco contains nicotine and other harmful products to health.

By measuring the nicotine content among the tabacco leaf in the different areas.

通过对不同地区烟叶中烟碱含量测定发现,烟碱含量相差甚远.

These are tobacco plants, the only natural source of nicotine.

这些是烟叶, 提炼尼古丁的惟一自然资源.

They have said that smokers are hooked on their own kind of drug, nicotine.

他们说,吸烟者给他们自己的那种毒品即尼古丁勾上了.

Several steps and strategies have been developed to minimize these risks.

有关人士发展了若干措施和方法以减少这些风险.

Do not minimize the risk involved.

不要低估所涉的风险.

The administrative decisionmaking process should also attempt to minimize the risk of wrong decisions.

行政决策程序还应当努力降低错判的风险.

At his trial, he tried to minimize his behavior.

接受审判的时候，他企图对自己的行为轻描淡写。

Measures which minimize systemic uptake reduce toxicity.

凡是足以减少周身吸收的方法,都能减少毒性反应.

I have no wish to minimize his role or his achievement.

我不想低估他的作用,也不想贬低他的成就.

You can minimize the dangers of driving by taking care to obey the rules of the road.

严格遵守交通规则，你就能把行车危险降到最低点。

Good hygiene helps to minimize the risk of infection.

保持清洁有助于最大限度地减少感染的危险。

A sound approach to the problem is to minimize the number of parts.

正确解决这一问题的方法是把零件的数目减至最少.

The fundamental principle of stroboscopic shearing speckle interferometry is discussed.

提出了一种用于振动研究的方法———频闪剪切散斑干涉照相法.

The press strength and shearing strength increase with increasing magnetic density.

引入交变磁场后,复合管的抗压溃强度和抗剪强度均有提高.

The shearing strain is essentially inhomogeneous flow of metal.

剪切变形的实质是金属的不均匀流动.

The distribution of storey shearing force in frame-shear wall structure is discussed.

讨论了框剪结构在弹性和弹塑性工作状态下楼层剪力的分配机理.

The coats, made of polythene sheet 0.05 millimetre thick, are fitted on the sheep after shearing.

这种绵羊穿的罩衣，是用0.05毫米厚的聚乙烯薄膜制成的，在剪完羊毛之后给羊穿上。

Press break machine , hydrolic shearing machine and cnc sheet rolling machine.

出口应该是冲床,剪板机,滚扎机.每样两台.

The mechanism under shearing about the cross-hole voided slab is set forth.

阐述了圆管式空心板横孔板的受剪机理.

They are shearing the wool off.

他们正在把羊毛剪下来.