是非

The most popular wool mordants in current use are alum and cream of tartar and they are quite safe.

当前使用的最受欢迎的羊毛媒染剂是明矾和酒石，他们是非常安全的。

Nonlinear elliptic partial different equations of second order is amain branch of nonlinear partial different equations.It has many ap-plications in mathematics,physics,science and technology,engineer-ing.

二阶非线性椭圆型偏微分方程是非线性偏微分方程的重要分支，它在数学、物理、科技和工程中有着广泛的应用。

It is not possible to synchronize among economic development, social equality and environmental amenities.

和谐社会的发展之路是非线性的，不和谐的发展过程是达到和谐社会的必然趋势。

Dimethylhexane-1,6-dimethyleurethane is the key material for preparation of 1,6-hexamethylene diisocyanate by non-phosgene route. Our work mainly focuses on the study of the catalytic performances of metal oxysalts and metal oxides for the ammonolysis of DMC to HDU-M. Experiment effect showed the ammonolysis was omposed by two steps, in which the first step was easier to occur than the second.

中文摘要六亚甲基-1，6-二氨基甲酸甲酯是非光气合成六亚甲基二异氰酸酯的关键原料，本文主要对金属含氧酸盐和金属氧化物这两类用于碳酸二甲酯胺解合成HDU-M 的催化剂进行了初步研究并优化了工艺条件。

He is a person of amoral , with no sense of right or wrong.

他是一个没有道德观念的人，没有是非对错分辨能力。

I think oil companies are amoral.

我认为，石油公司是非道德的。

He has no concept of right or wrong. He just carries on his amoral life.

他不懂得分辨对错，每天不问是非地度日。

Cats are amoral; they can't be censured for killing birds.

猫没有是非道德观念，所以它们杀害鸟类不受指责。

Obama is right about the amorality of oil companies.

石油公司是非道德的，这句话，老奥说得很对。

Obamais right about the amorality of oil companies.

石油公司是非道德的，这句话，老奥说得很对。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。