Electrical charge is generated at free surfaces and walls due to the differences in dielectric properties of the fluid, void and solid components.

电的进气由于不同在液体，无效和固体结构的诱电性特性中的免费表面和墙壁被产生。

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They hope to reduce both the number of components needed in a construction job and their weight—by replacing solid supports with hollow tubes, for example.

他们希望减少建筑工作所需的部件数量和重量，例如，用空心管代替实心支架。

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In figure 2 the solid lines connecting SCA components represent SCA wires, and the broken lines with arrows represent connections that use an interoperable binding instead of a wire.

图2中用实线表示连接组件的SCA连线，而用带箭头的虚线表示用可互操作的绑定配置的连接。

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The expected course of ovarian cysts varies with a woman's age, the size of the cyst, whether there is a family history of ovarian cysts, and whether the cyst is fluid-filled, appears to be a solid mass of tissue, or has both fluid and solid components.

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But, the MMO components of the game seem bolted on to a solid, compelling single-player game.

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Naturally, it's a solid-feeling point-and-shoot, with protected components and airtight port covers.

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