addition单词什么意思_addition单词解释 addition的反义词addition的例句

名词加，增加，附加; [数]加法; 增加的人或事物

1. 加法：4.加法(addition)交换律(commutative law)和结合律(associative law)在有理数加法运算中依然成立. 有理数乘法(multiplication)法则:乘方:几个相同的因数相乘的运算叫做乘方(power),乘方的结果叫做幂. (power)如果有n个a相乘,

2. 相加：协同作用中又分为相加(addition)和增强(potentiation),前者指合用的总效应等于单用效应相加之和,后者指合用效应大于单用效应之和. 拮抗作用中又分相减(subtraction)和抵消(counteraction),前者指合用时的效应小于单用时的效应,

3. 增加：而每年新发现的油田又使原油储量有所增加(addition). 但增加量和生产量每年与每年不同,如果增加量大于产量,则储量会增加;反之,则会减少. 1996年到2000年,在累进的基础上,平均每年常规轻、重原油的增加量(addition)是当年产量(production)的105%.

4. 加成：端粒是位于每条染色体的末端,在DNA复制时维持染色体结构完整的特殊结构. DNA损伤,由接触致癌剂引起的基因组损伤,导致编码序列中的异常,如:点突变、扩增、缺失、加成(addition)或在染色体含量中的异常(非整倍性).

3. 七彩网·英语单词大全

1. 另外;加之;除…之外
You use in addition when you want to mention another item connected with the subject you are discussing.

e.g. Part-time English classes are offered. In addition, students can take classes in word-processing and computing...
开设了非全日制的英语班。另外，学生可以修读文字处理和计算机课程。
e.g. There's a postage and packing fee in addition to the repair charge.
除修理费之外还有邮寄和包装费。

2. 增加物；添加物
An addition to something is a thing which is added to it.

e.g. This is a fine book; a worthy addition to the Cambridge Encyclopedia series...
这是一本好书，对剑桥百科全书系列是一个很好的补充。
e.g. This plywood addition helps to strengthen the structure.
多层胶合板有助于加固结构。

3. 增加；添加
The addition of something is the fact that it is added to something else.

e.g. It was completely refurbished in 1987, with the addition of a picnic site.
它在1987年经过了彻底翻修，加盖了一个野餐点。

4. 加；算总数
Addition is the process of calculating the total of two or more numbers.

e.g. ...simple addition and subtraction problems.
简单的加减题

noun

1. the act of adding one thing to another

e.g. the addition of flowers created a pleasing effect
the addition of a leap day every four years

2. the arithmetic operation of summing
calculating the sum of two or more numbers

e.g. the summation of four and three gives seven
four plus three equals seven

Synonym: summationplus

3. a component that is added to something to improve it

e.g. the addition of a bathroom was a major improvement
the addition of cinnamon improved the flavor

Synonym: add-onimprover

4. a suburban area laid out in streets and lots for a future residential area

5. something added to what you already have

e.g. the librarian shelved the new accessions
he was a new addition to the staff

Synonym: accession

6. a quantity that is added

e.g. there was an addition to property taxes this year
they recorded the cattle's gain in weight over a period of weeks

Synonym: increasegain