Addition, subtraction, multiplication, and division are binary operations.

加、减、乘、除都是二元运算。

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环氧乙烷二元醇的分离方法条件。

On the ground of Hayek's duality viewpoint of the society order, this paper gives a primary .prehension.

本文以哈耶克社会秩序二元观为基础，给出了一个初步的解释。

The sex role theory of Masculinities is an absolutely different partition between Masculinity and Femineity bases on sex.

男气概的角色理论以生理别为依据，将男气概气质进行径渭分明的二元划分。

The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.

介绍用甲醇醇解法把聚酯共聚酯解聚成二元酸二甲酯二元醇。

Method Treatment of 8,9 anhydroerythromycin 6,9 hemiketal with iodine in the alkaline solution provided corresponding N monodemethylated 12 membered ring erythromycin derivative.

方法8,9脱水红霉素6,9半碘在碱溶剂中反应得到相应的N去甲基十二元环红霉素衍生物。

When the dyarchy constitution was in practice, the Karens had to accepted the disadvantage of new constitution and the pressure of Burmese nationalism.

二元政制在缅甸推行后,克伦人同时面对改革带来的不利缅人民族主义的压力。

Then a new algorithm of brivate vector -valued rational interpolants by means of complexification of the knots and backward three-term recurrence relations is given.

然后利用插值型值点复数化的方法及向量值连分式的向后三项递推关系式讨论并给出了二元向量值有理插值的一种新算法。

By chiseling a BOL on a surface of a lens, a apochromatic system is composed, which actualizes the system's apochromatism, as well as revising primary aberration.

并将二元光学面刻画在透镜的表面，在校正系统初级像差的同时，实现了系统的复消色差。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸阳离子交换树脂为催化剂,十三碳二元酸乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。

By continuously repeating the structure of binary opposition of joy and ennui, Cat in the Rain conveys that gender means the incommunicability between the American couple and the death of their love.

《雨中的猫》在乐趣/无聊二元对立不断重复的基础上,生动地传达出了由于社会别的不同,男主人公无法沟通,爱情已死亡,婚姻关系不正常的生活。