At Sheep Dog, which is twice the size of our current home, to use solar panels to effectively heat the whole house, we'd probably have to cover an acre or two to get enough electricity.
牧羊犬洼地的面积，相当于两个我现在所住的房子，如果在那里使用太阳能电池板取暖的话，我们可能就要覆盖一到两英亩的面积去获取足够的电力了。
If you use a set of fully charged AA size batteries to provide voltage and current they last only a few hours.
如果您使用的是一组全充的AA电池来提供电压和电流，那么它们只能支撑几个小时。
The easiest way to do this is to use the du tool to determine the current file/directory size.
要完成这项工作，最简单的方法是使用du工具来确定当前文件/目录的大小。
If you are moving an existing file system to a larger partition, (rather than a single directory within an existing file system) then use the output from df to determine the current file system size.
如果您将现有的文件系统(而不是现有的文件系统中的单个目录)移动到一个更大的分区，那么可以使用df的输出来确定当前文件系统的大小。
At first my students were struck by the small size and quaintness of the old books compared with the large, colourful ones in current use.
开头，我的学员们觉得，和现今使用的色彩鲜艳的大开本教科书相比，这些书显得太小、太古怪了。
Another limiting the use of one type over-current protection circuit to limit output current, and by changing the size of the current sampling resistor to regulate the size of current-limiting value.
另使用了一限流型过流保护电路来对输出电流进行限制，并通过改变电流取样电阻的大小来调节限流值的大小。
The size and heft of current fuel cells has been a major obstacle to making them practical for use in automobiles.
目前的燃料电池的体积和重量是将它们实际运用于汽车的主要障碍。
Classic scheduling benchmark problem test shows:the self-adaptive measure can efficiently keep current populations diversity, can use very small population size; shortest idle time .
针对作业车间调度问题，提出了最小化空闲时间的处理过程及其变异算子，设计了一种自适应遗传算法。
Classic scheduling benchmark problem test shows:the self-adaptive measure can efficiently keep current populations diversity, can use very small population size; shortest idle time .
针对作业车间调度问题，提出了最小化空闲时间的处理过程及其变异算子，设计了一种自适应遗传算法。
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