It was once thought that the fungus that ants cultivate was a single type that they had propagated, essentially unchanged from the distant past.

人们曾经认为，蚂蚁培育的真菌是它们繁殖的一种单一品种，自远古时期以来基本上没有改变。

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Good separation of co-ions and counter ions cannot be achieved by a single type of the singly charged NF membranes.

采用单一的荷电纳滤膜是不能实现同名离子和反荷离子之间的高效分离的。

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A Routing Set can contain elements of a single type only.

Routing Set只包含一种类型的元素。

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If you had CV-22 type technology, could have been done with a single in-and-out pass -- albeit with helicopter refueling with C-130 type assets -- moving directly into the objective area, and then being able to extract during that, again, single period of darkness.

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We have reviewed or tested nearly every type of single-use hot cup on the market, but a viable alternative does not yet exist.

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You think it would be intriguing to finally start that social media company you have been talking about for years, or that concierge-type service aimed at single men with lots of money but no time.

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