My expostulation(s) had no effect.
我提出的劝告毫无作用.
It skills not.
这毫无用处, 不起作用。
stepless action
无分步作用;连续作用;均匀作用;均匀作用
It is useless not only to the readers, but also to writers.
不但对读者无用，对作者也无用。
To render inactive or ineffective.
使不起作用，使无效
at the same speed unless they are acted on by force.
如果无外力的作用的话。
floating average position action
无静差的平均位置作用
interactions with abiotic environment
无生命环境的相互作用
The accumulations bear no relation to structure.
聚集作用与构造无关。
a tasteless colorless powder used medicinally as a cathartic.
一种无味无色的粉末，医学上用作泻药。
a colorless odorless gas used as fuel.
一种无色无味的气体，用作燃料。
a colorless odorless gas used as a fuel.
一种无色无嗅的气体，用作燃料。
There are no limits to the development of science and technology or to the effect they can have.
科学技术的发展和作用是无穷无尽的。
The results pro-ved that Dame Bath Milk is harmless, nontoxic and no allergic reaction.
结果表明:无毒性、不致敏,长期使用无任何副作用.
Miller's work was absolutely critical.
米勒的工作无疑起了关键作用。
Third, product characteristic: 1) this non-toxic, does not have the fetid odor, does not have the crystallization, to the human body skin non-corrosive action.
三、产品特点：1)本品无毒、无臭味、无结晶、对人体皮肤无腐蚀作用。
- usage is not valid: A nontuple formula was used as a tuple
— 用法无效: 某个非元组公式用作了元组
Physical and chemical tests verify that this Recovery Device has neither radioactive pollution nor toxic side effects.
经理化检验证实：使用该器无放射性污染,对人体绝对无毒无副作用。