这些符号有什么特别的含义吗？
水银的化学符号是什么？
在英语中，每一个书写符号和每一个独特的发音之间不存在固定的一一对应关系。
In English, there is not a consistent one-to-one match between each written symbol and each distinct spoken sound.
通用产品代码符号，亦称“条形码”，印在出售的商品上，其中含有计算机能识别的信息。
The Universal Product Code symbol, also known as the 'bar code', is printed on products for sale and contains information that a computer can read.
有趣的是，汉字是由图画和符号演变而来的。
It is interesting that Chinese characters evolve from pictures and signs.
其他的图片是类似线、圆和正方形这样的符号。
Other pictures are symbols such as lines, circles, and squares.
店主会在出售的商品上刻上石头、粘土或木头的符号。
Shopkeepers would carve into stone, clay, or wood symbols for the products they had for sale.
在尼罗河沿岸也发现了这个符号，它把这个意义赋予了人类。
The symbol was also found along the sides of the Nile, which gave this meaning to the people.
它的局部是凸的，因为它没有环路，且曲率永远不会改变符号。
It is locally convex in the sense that it has no loops and the curvature never changes sign.
他们画简单的图画或符号来代表事物和思想，也代表他们的语言。
They drew simple pictures or signs to represent things and ideas, and also to represent the sounds of their language.
他猜测象形文字是语音符号是正确的，它们代表的是声音而不是图像。
He suspected rightly that the hieroglyphs were phonetic symbols, that they represented its sounds rather than pictures.
在屏幕的一侧会出现一个符号，而在另一侧，会显示圆圈内的两个符号。
On one part of the screen, a symbol would appear, and on the other side two symbols inside a circle were shown.
商标是标识产品制造商并将其与其他类似产品区分开来的单词、名称或符号。
Trademarks are words, names, or symbols that identify the manufacturer of a product and distinguish it from similar goods of others.
改动作曲家原有的符号是亵渎行为。
It would be sacrilege to alter the composer's original markings.
杰西卡已经迅速浏览了那几行，其中既无大写字母也无任何标点符号。
Jessica had rapidly scanned the lines, none of which boasted a capital letter or any punctuation.
符号可以以数字方式删除或保存。
表情符号每年都在变化和增长。
在记笔记时使用符号有什么好处？
这些是刻有图案和符号的动物骨头。
表情符号是文字和网页中使用的图片。
我们喜欢用表情符号的原因各有不同。
代字号（~）在标点符号中有多种用法。
第四个表情符号的意思是“破涕为笑”。
这些小符号不容易被注意到，但它们很重要。
These little symbols are not easy to be noticed, but are really important.
两个有符号整数相加的结果是一个有符号的整数。
我们使用的表情符号越多，我们使用的单词就越少。
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