逗号

No longer do many cities in the United States have a river as the focal point of urban life , but in San Antonio the river winds through the middle of the business district, and the River, or Paseo del Rio, is the city's most popular.

我今天又看了一遍，好像and the river是和but后面的the river平行的，那么仅仅是两个分句的并列，为什么and前面有逗号呢？？

Where m, n is a positive integer, x, y is a positive real number and H, L represents Si, SiNx film, respectively.

前面用逗号，同时描述几组，每组都是两个。m， n是整数，x，y是正实数，H，L代表硅和氮化硅薄膜。

Before the plains were settled, prairie dog towns in many places stretch as far as the eye could see.

分析：逗号前时间状语从句为过去时，主句不可能用现在时。应为stretched。

Stop quibbling about the use of the comma .

别再争辩逗号的用法了。

Some say, life is a comma, there is always never finish the story, so it is full of hope; Some people say that life is a colon, always inspirational, thought-provoking; also said that life is a quotation mark, the experience The most memorable clips for "drawing" it in my heart, let it be a driving force ......

有人说，人生是一个逗号，总有写不完的故事，这样才充满希望；有人说，人生是一个冒号，永远给人以启迪，引人思索；还有人说，人生是一个引号，把经历中最刻骨铭心的片段给"引"起来，藏在心底，让它成为前进的动力

Ext Import dialog, with Comma selected as the separator and double quotation mark as the text delimiter.

外部导入数据对话框，选定逗号为分隔符和双引号作为文本括号。

In the poem Rossetti tells about meeting a woman and 5 he has met her before.

D however前带逗号并置于句尾，成为表示转折的连词。

The problem has been solved by using self-defining function and comma operation, and operated a software package named OptSoftware. According to OptSoftware, the process of expression-interpretation is discussed. At last, the future of applying is prospected.

通过采用自定义函数法和逗号运算法成功解决了该问题，在VC++6.0下开发了智能优化软件包OptSoftware，结合该软件包对其表达式解析作了详细介绍，并对其前景进行了展望。

You can also have more that one statement on a single line, so long as you separate them with either a semicolon or comma.

您还可以有更多的发言，一个在单一路线，只要你与他们单独或者一个逗号或分号。

But there is a comma in between each of the remaining arguments. Finally, we put the word PURE and a semicolon.

但在其余参数间是有逗号的，最后，我们加入一个 PURE 单词和一个分号。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。