您要查找的是不是：
- According to the fundamental theory of group representations, a direct proof is given for the singleness of demension of Dirac s matrix in the relativistic quantum mechanics. 根据群表示论的基本定理，对相对论量子力学中狄拉克矩阵维数的唯一性给出直接证明。
- If the gauge compensating term is added to the action, the S matrix in the physical state vector space can be expressed in a form which has no couplings of physical and unphysical particles, and so the physical S matrix is gauge independent and unitary. 在作用量中添上规范补偿项以后;物理态空间中的S矩阵可以写成物理粒子和非物理粒子之间没有耦合的形式;显示出S矩阵的规范无关性和么正性.
- This paper firstly puts forward the preparation method of novel antifriction nano-composites with graphite nano-sheets (NanoG) as lubricant, heat-resistant bismaleimide (BMI )for composite’s matrix. 本文首次提出利用高、低温膨胀不同粒度的可膨胀石墨制备的纳米石墨薄片（NanoG）为润滑剂，以耐高温的双马来酰亚胺树脂（BMI）为基体，制备新型耐热纳米减摩复合材料。
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
- He earned four A's in the final examinations. 他期末考试四门功课得优。
- The Beatles were the pop idols of the 60's. 披头士乐队是六十年代人们崇拜的偶像。
- He returned to the fold at his 80's. 他在八十高龄又恢复原来的宗教信仰。
- She has an amused twinkle in her eye(s). 她高兴得双目熠熠发亮。
- These constraints are summarized by Kirchhoff's laws. 这些强制的约束关系可总结为基尔霍夫定律。
- Driving with worn tread(s) can be dangerous. 轮胎胎面磨损的汽车开著有危险。
- My expostulation(s) had no effect. 我提出的劝告毫无作用。
