查询词典 string block

If a string-based field has null=True , that means it has two possible values for "no data": NULL , and the empty string.

如果一个基于字符串的字段类型设置了 null=True，这就意味着有两种可能的值用于表示"没有数据"：NULL 和空字符串。

When we call open or use a file name as the initializer when creating an fstream object, the argument we pass is a C-style string, not a library string.

在创建 fstream 对象时，如果调用 open 或使用文件名作初始化式，需要传递的实参应为 C 风格字符串，而不是标准库 strings 对象。

For example, consider the following small problem: You have a list of numbers and a string of characters; you would like to construct a list of all pairs that consist of a number from the list and a character from the string, but only if the ASCII ordinal is larger than the number.

比如，考虑下面这个简单的问题：你有一个由数字组成的列表和一个由字符组成的字符串；你要构建另一个列表，它的元素就是列表中一个数字和字符串中一个字符的配对，而这个字符的 ASCII 码必须比这给数字大。

He laid the notch of the arrow on the oxhide bowstring, and drew both notch and string to his breast till the arrow-head was near the bow; then when the bow was arched into a half-circle he let fly, and the bow twanged, and the string sang as the arrow flew gladly on over the heads of the throng.

他运气开弓，紧捏着箭的糟口和牛筋做就的弓弦，弦线紧贴着胸口，铁的箭镞碰到了弓杆。他把兵器拉成了一个拱环，借大的弯弓鸣叫呻喊，弦线高歌作响，羽箭顶着锋快的头镞飞射出去，挟着暴怒，呼啸着扑向前面的人群。

Firstly, rotate the deflective character string to horizontal level, then project the grey image of the character string from top, and sum up the black dot pels, the value act as a grey accumulated scatter chart, which is invariant to translation and zoom in scale.

先将出现偏斜的字符串旋转至水平方向，然后将字符的灰度图像从上向下投影，对黑点像素累计求和，构成灰度累计分布图。

Because the DNA sequence from mathematical point of view is a string of four symbols, a very long string of four symbols which somehow contains information about everything in our body.

DNA序列在数学的角度上看是一条含有四个符号的、承载着人类一切信息的长链。

As the French writer Alexandre Dumas said:"Life is a string formed by numerous small worry beads, up to the concept of the number of people are laughing after this string of prayer beads."

正如法国作家大仲马说："生命是由许多小担心珠组成的弦乐，直至人数概念，这之后笑念珠串。"

The back after prothorax is aing string of 1 two red jujubes place hay to seam a string of beads of compose, there are a few fulcrums in little bag dumb " whip " small artillery piece, there is the money given to children as a lunar New Year gift of 5 wools cash that the grandfather will give me in the heart, do not carry have many perky much gladder.

前胸后背吊着两根红枣夹干草缝缀的串珠，小兜里揣着几支点哑了的"叭叭鞭"小炮，心里想着爷爷将要给我的5毛钱压岁钱，别提有多神气多兴奋了。

A hadron and string cascade model,JPCIAE,which is based on LUND string model,PYTHIA event generator especially,is used to study the photon production of 200 A GeV S+Au central collisions.

用建立在LUND弦模型特别是PYTHIA事件产生器基础上的描写极端相对论性核-核碰撞的强子和弦级联模型——JPCIAE研究了入射能量为200A GeV的S+Au中心碰撞中光子产生。

Is noe kind of non- reclaimable fishing tool which is normally used for the fishing purpose from the outside of the pipe string,iscan be used to fish flat-type fsh head of the pipe string.

弯鱼头打捞筒是从管柱外部进行打捞的一种，不可退式工具可打捞弯扁形鱼头的落井管柱，其特点是在不用修整鱼顶的情况下直接进行打捞。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样