The reason for the division of Class E and Class A airspace stems from the type of planes operating in them.

E 类和 A 类空域的划分取决于在这两类空域飞行的飞机类型。

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It may represent a new class of failed stars straddling the division between stars and Jupiter-like planets.

它可能代表了一类新的“失败之星”，即介于恒星和类木行星之间的一种星体。

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The use of the Participant pattern with one aspect per class considers a class as a subsystem, though any logical division into a subsystem will do just fine.

使用每个类具有一个方面的 Participant 模式， 将每个类视为一个子系统，而将任何逻辑分为子系统都可以做得很好。

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The durable body is resistant to impacts and dropping, and a Class 1, Division 1, Groups C, D, F UL approval assures safe and compliant operation.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner

The other campaign President Obama announced is a class warfare campaign of division.

CNN: Obama's message of divide and blame

Rated Class 1 Division 1 and Class 2 Division 1 this light is fitted with a high performance C4 LED rated at 50, 000 hours of operational life and 180 lumens of output.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner