For example the regular expression a (b (C)) has the subgroups (b (C)) and (C).

例如，正则表达式a (B (C))包含子组(B (C))和(C)。

youdao

The optimizer has been able to do algebraic simplification on a+a, instead generating 2*a, and on (c*b)*12 + c*b, instead generating (c*b)*13.

该编译器可以对a+a进行代数简化，即改为生成2*a，也可以对 (c*b)*12 + c*b 进行代数简化，即改为生成 (c*b)*13。

youdao

Typing ls [a-c]* finds all file names that begin with a, b, or c. Here, the * does not modify the [a-c] as grep's interpreter would; in the shell, * is interpreted as .*.

键入ls [a-c]*以查找以 a、b或c开头的所有文件名。此处的 *在Shell 中不像grep的解释器那样修饰 [a-c]，*被解释为 .*。?

youdao

Objective To study the pathogenicity of GB virus C(GBV-C), and effect of coinfection with GBV-C on hepatitis B and C.

目的探讨GB病毒C（GBV -C）的致病性，以及混合感染GBV -C后对慢性乙型肝炎及慢性丙型肝炎预后的影响。

youdao

Roman poet known for his explorations of love, especially the Art of Love(c. 1 b. c. ) and Metamorphoses(c. a. d. 8).

奥维德罗马诗人，以其对爱的研究，尤其是爱的艺术（公元前1年）和变形记（公元8年）而闻名。

youdao

Although the typical Chinese roof probably developed during the Shang (c. 1523-1027 B. C. ) or the Chou (1027-c. 256 B. C. ) period, its features are unknown to us until the Han dynasty.

尽管中国屋顶的建筑风格可能早在商代（公元前1523-1027年）或周代（1027-256），那一部分我们不知道直到汉代。

youdao

C/B The C/B's research direction is: the larger size of carbon black, the higher C/B structure;

炭黑炭黑研究方向是：较大的炭黑粒径，较高的炭黑结构；

youdao

C/B The C/B's research direction is: the larger size of carbon black, the higher C/B structure;

炭黑炭黑研究方向是：较大的炭黑粒径，较高的炭黑结构；

youdao