Perform a growth promotion test as a positive control.

进行一个生长促进试验作为阳性对照。

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Growth promotion. Test each batch of ready-prepared medium and each batch of medium, prepared either from dehydrated medium or from the ingredients described.

测试每批已制备好的培养基以及采用脱水培养基制备或按指定的成分制备的培养基。

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Non-native English speakers take the test to demonstrate their English skills when seeking a new job or a promotion.

VOA: special.2010.02.18

You can test your marketing and get more promotion than you ever could on your own.

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