So, if we want to set it up instead dx dy, then it means we are going to actually look at the converse question which is, for a given value of y, what is the range of values of x?
如果要用dxdy来替换，就是说,转化为与之相反的问题来看，给定y的一个值，那么x的取值范围是什么呢？
The function returns a specific value (or range of values) to indicate an error, and the global variable errno is set to indicate the cause of the problem.
函数返回特定值(或值范围)以指明错误，且设置全局变量errno以指明问题的起因。
Just to the right, I also set up a value range for each of these colors.
就从右边开始，我为每一个颜色建立了一个色值范围。
Within the boundary of the match value set, as the catapult energy increases, the match range of the presetting elevator angle enlarges and the influence of the nose gear fast-extension weakens.
在适配值集合内，随着弹射能量的增加，升降舵预置偏角的适配范围增大，前起落架突伸力的影响减小。
The actual results validate the control strategy, the gas caloric value and pressure error can be controlled in the range of 5% of their set value.
实际运行结果验证了控制策略的有效性，煤气热值和压力误差均在设定值的5%之内。
Constant current mode, regardless of the input voltage required to change (within a certain range), flows through the constant current electronic load, and the current value can be set.
恒流方式时要求不论输入电压如何变化(在一定范围内)，流过该电子负载的电流恒定，且电流值可设定。
Constant current mode, regardless of the input voltage required to change (within a certain range), flows through the constant current electronic load, and the current value can be set.
恒流方式时要求不论输入电压如何变化(在一定范围内)，流过该电子负载的电流恒定，且电流值可设定。
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