HEK293T细胞由HEK293细胞衍生而来，含有SV40 large T抗原，贴壁不牢。293T细胞表达 E1A蛋白，S40大T抗原，含有S40复制起始点与启动子区的质粒可以复制。293T细胞容易转染，用磷酸钙、PEI或脂质体转染，效率均可达90%以上。...

HTML识别 string 里的 &#x27;n&#x27; 并成功换行显示设置标签的的css属性white-space: pre-line;<div style=&#x27;white-space: pre-line;&#x27;> string <--!这里的数据可以是后台也可以是变量字符串而不是直...

指令模式主要使用方向键移动光标位置进行文字的编辑，下面列出了常用的操作命令及含义。

如果你还在观望，拿不定主意，那我们一起来看看这篇CodeNewbie 创始人及 CEO 、Command Line Heroes 主办者 Saron Yitbarek为本书写的序吧，它能帮助你更加立体的了解这本熠熠光辉二十载的著作！...

向前缩进，实则是使用Visual Block模式删除多余空格以达到向前缩进的效果。

There are N robots standing on the ground (Don't know why. Don't know how).

Your task is to divide a number of persons into two teams, in such a way, that: everyone belongs to one of the teams; every team has at least one member; ...

http://codeforces.com/contest/738/problem/D

Rhason Cheung had a simple problem, and asked Teacher Mai for help. But Teacher Mai thought this problem was too simple, sometimes naive. So she ask you for h...

Cat Noku has obtained a map of the night sky. On this map, he found a constellation with n stars numbered from 1to n. For each i, the i-th star is located at co...