在初等代数中，指加法和减法的运算，一级运算是数学中最基本的运算，也是最低级的运算，因为是先计算出其他运算的结果后最后计算加法和减法·先从左计算到右·
双语例句原声例句
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加法和减法叫做第一级运算，乘法和除法叫做第二级运算。
Addition and subtraction we call the first -progression operation, multiplication and division we call the second -progression operation.
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该纠偏机的特点是控制系统简单，只有一级运算放大器和一级功率放大器，故障机遇少，维修极为方便。
The correction character of this machine is simple for its controlling system. It has only one grade calculating amplifer, one grade power complifer, and so less accidents and easy maintenance.
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要从当前上下文移动到上一级，只要使用 .. 运算符。
To move up a level from the current context, just use the .. operator.
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Having executed this instruction, that counter goes up by one and we move to the next one.
执行过这个指令之后，计数器升了一级,于是我们开始下一次的运算。
应用推荐
$firstVoiceSent
- 来自原声例句