Only those silver coins which were much worn by usage or in any other way defaced or reduced in weight remained in current use; it did not pay to export and to sell them on the bullion market.
只有那些由于经年使用 而严重受到磨损、或因任何方式损坏或损失重量的银币继续流通使用;将这些银币出口以及在黄金市场上销售也不值得。
First, they can use it as a debugging tool when confronted with a program bug or defect that seems to be related to improper memory usage.
首先,当您遇到一个程序错误或者看起来是与不适当使用内存相关的缺陷时,您可以把它当作一个程序调整工具来使用。
You can use the techniques described in this article to enhance the authentication options of your existing Perl applications or monitor the mouse usage in an existing program.
您可以使用本文中所述的技术来增强现有Perl应用程序的验证选项,或者监视现有程序中的鼠标使用情况。
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