If a home generates more power than it uses, the bill is zero.
如果一个家庭产生的电力比它所使用的要多，那么电费账单就是零。
If the two items are equal, the function returns zero.
如果两个项相同，函数返回零。
If it is set to a value of zero, no limit will be applied.
如果将其设置为零值，则不应用任何限制。
If it is set to a value of 0 (zero), no time limit will be applied.
如果将此值设为0(零)，则不应用任何时间限制。
If we have a closed curve then the line integral for work is just zero.
如果给定一条封闭曲线，那么求所做功的线积分为零。
If it is zero, it will be ignored.
如果它是零，它将被忽略。
If the function fails, the return value is zero.
如果函数失败，返回值是零。
If the sun did not give off heat the temperature of the earth would fall almost to absolute zero.
假如太阳不放射热量，地球的温度几乎就会下降到绝对零度。
If you do select zero tests, each new test project is empty.
如果选择零个测试，则每个新测试项目都为空。
If you want to reset the timer back to zero, hit the reset button.
如果你想重置计时器回零，按下复位按钮。
Run a command only if another command returns a zero exit status.
仅当另一个命令返回零退出状态时才运行某个命令。
And it stays zero if you vary the temperature.
当你改变温度时它仍保持零。
So, in that case, if the right hand side is zero, there's two cases.
所以右边为零时，有两种情况。
If no match is found, preg_match returns a zero.
如果未找到匹配，则preg_match返回零。
The first if statement breaks the recursion if the list is empty, returning zero.
第一个if 语句在列表为空的情况下中断递归，返回零值。
And if it's greater than zero, then the process goes the other way.
如果大于零，那么过程就会向着另一个方向进行。
This function returns 0 (zero) if no error has occurred.
如果未出现错误，那么将返回0。
They are currently working to see if monkeys can recognize the concept of zero.
研究者们现在正在研究猴子是否知道零所代表的意义。
They can simply check to see if the count is zero (empty) or a positive number (not empty).
它们可以轻松检查count是零(空)还是正数(非空)。
Is it zero? Anybody want to guess, if it's zero?
是零吗？有人愿意猜一猜吗，是不是零？
If overwrite is zero, then the value of name is not changed.
如果overwrite为零，则name的值不会被改变。
If the probability is zero that means the event can't happen.
如果概率是0意味着事件一定不会发生。
If the data has been successfully queued for transmission, a zero is returned.
如果数据成功地排到传输队列，则返回0。
If the mutex is held (locked), then one is returned; otherwise, zero.
如果互斥锁被持有(锁定)，那么就会返回1；否则，返回0。
If you don't need diffuse scatter, just set it to zero.
如果你不需要，可以把它设为零。
If the specified line is out of range, the start line is set to zero.
如果指定行超出范围，起始行则设为零。
If measurement errors occur randomly, one can expect their mean to approach zero.
如果测量误差随机产生，可以期望他们的平均值近于零。
If the impulse is zero, there is no change in momentum.
如果冲量为零，则动量不变。
Run a command only if another command returns a non-zero exit status.
仅当另一个命令返回非零退出状态时才运行某个命令。
Run a command only if another command returns a non-zero exit status.
仅当另一个命令返回非零退出状态时才运行某个命令。
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