time tested的意思|示意

A Course of Instructions With Time Tested Practical Rules of Trading in Grains.

行之有效的谷物实用交易规则.

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His methods are reliable and time - tested.

他的方法相当可靠,而且屡试不爽.

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One time - tested method for relaying information is the dead drop.

有一种屡试不爽的传递情报的方式被称为死信箱.

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