The select method call blocks until one or more guards are ready (remember that all contending guards are known to the Alternative class).
select方法调用一直受阻塞，直到一个或多个警卫就绪为止(请记住，所有竞争的警卫对于alternative类来说都是已知的)。
The Render method of the Web service is a good alternative when you want more control, for operations such as displaying the results in a picture box or saving the file directly to disk.
当您想要更好地控制某些操作（例如，在图片框中显示结果或将文件直接保存到磁盘的操作）时，Web服务的Render方法是一个很好的备选方法。
For example, you can build your own air conditioner (or use an alternative method), get a cooling pillow like the Chillow, and put your sheets in the fridge before bedtime.
例如，你可以打造一个你自己的空调设备(或者用其他的方法)，用内置凉水的枕头，在睡觉前把床单放冰箱里。
How can the industry comply with the requirements if an alternative method has not been developed or validated?
如果未开发替代方法或未经验证，行业该如何符合这些要求？
The method of ascertaining risks should be explicit, especially where there is no alternative to the use of such vague categories as small or slight risk.
确定风险的方法应该明了，尤其是当没有其他选择而只能使用诸如小或轻微风险的模糊分类。
An alternative method is to transmit the combined digital signal from the parallel channels by frequency or phase modulation of common carrier.
另一种方法是对公共载波调频或调相的方法发送并列信道的组合数字信号。
An alternative method is to transmit the combined digital signal from the parallel channels by frequency or phase modulation of common carrier.
另一种方法是对公共载波调频或调相的方法发送并列信道的组合数字信号。
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