Use the single equal sign to assign a value to a variable, unlike the double equal sign (==), as in the previous condition, which compare the values.
使用单等于号来向变量赋值，而不是像在前一个条件中那样使用双等于号 (==) 来比较值。
The phrase \$somevar escapes the dollar sign, avoiding interpretation of the variable in the command where the prompt is set. Instead, the interpretation occurs whenever the prompt is drawn.
$somevar 可以对美元符号进行转义，避免在设置提示符的命令中对该变量进行解释，而是在显示提示符时对其进行解释。
You've already seen in XQuery that a variable is defined by putting a dollar sign ($) in front of an identifier name.
您可能已经看到，XQuery中通过在标识符前加上美元符号（$）来定义变量。
You must use quotes to set a variable to a lone slash, because an unquoted slash is interpreted as a division sign.
你必须使用引号去设置一个变量为一个长斜杠，因为一个不被引住的斜杠被解释为一个除号。
Becoming rate of water level is the sign of coming water flow variable.
闸前水位变率是闸前来水流量变量的标志。
This means that an expression can take any of several forms; for instance, a variable, a plus sign, and a number could be an expression.
这意味着表达式可以是几种格式中的任意一种；例如，一个变量、一个加号或者一个数字都可以是一个表达式。
Right shifts the value of a variable by the number of bits specified in the value of an expression, without maintaining sign, and assigns the result to the variable.
利用运算式值中所指定的位元数将变数值进行向右移位，不须保持正负号，然后将结果指派给变数。
The direct search with mixed discrete variable was used for the de- sign, and it was run successfully in a microcomputer.
采用混合离散变量的直接搜索法，在微机上运行成功。
The function of remote sign, remote measure, remote control, remote adjustment in the system by using complete redundancy structure to collect and control electrical variable is realized.
根据水电站的特点，采用全分布冗余结构对水电厂的电气量进行采集和控制，实现遥信、遥测、遥控和遥调功能；
Right shifts the value of a variable by the number of bits specified in the value of an expression, maintains the sign, and assigns the result to the variable.
利用运算式值中所指定的位元数来将变数值进行向右移位，保持正负号不变，然后将结果指派给变数。
The compiler implicitly widened and sign-extended a variable, and then used the resulting value in a bitwise OR operation.
编译器隐含地扩大并正负号扩展了变数，然后在位元的OR运算中使用该结果值。
Variable name should be prefixed with % sign.
变量名称应加前缀“%”。
Variable name should be prefixed with % sign.
变量名称应加前缀“%”。
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