Manipulating those prices through credit expansion or contraction has real and deleterious effects on the economy .

通过信贷扩张或收缩来操纵这些价格，会对经济产生实实在在并且有害的影响。

It is also common knowledge that milk containing deleterious organisms is an unsuitable article of food .

乳品中含有有害微生物不适合食用是基本常识。

Such restrictions are discouraging some fdi transactions and may have even more deleterious effects with the general slowdown in the world economy .

这些限制措施阻碍了一些外国直接投资交易，在全球经济整体放缓的情况下，甚至可能产生更为有害的影响。

Many slightly beneficial mutations can be lost by chance , while mildly deleterious ones can spread and become fixed in a population .

许多轻度的有益变异会随机丢失，而轻度有害的变异则会传播开来并在人群中固定下来。

Data showing a deleterious effect might well be more likely to be written up and published than data showing nothing much .

显示有害结果的数据较之显示无害结果的数据更可能引起重视并得到出版。