只选用全通道球阀或闸阀。

Use full flow ball or gate valves only.

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不要采用可能对水流造成过大障碍的阀门。只选用全通道球阀或闸阀。

DO NOT use valves that may cause excessive restriction to water flow. Use full flow ball or gate valves only.

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该文设计出一种适用于硬件实现的单窗口全通道并行编码结构，目前已通过FPGA验证。

In this paper, a hardware-oriented, full pass-parallel coding architecture is presented, based on only one scanning window. This architecture is verified on FPGA.

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Now, sodium and potassium don't ordinarily move across membranes, they're charged molecules, they can't dissolve, they can't permeate through a cell membrane, but they go through because there are channels that allow them to pass through in the membrane.

钠和钾通常是不能跨过细胞膜的,它们都是带电粒子,它们不能溶解在细胞膜中,不能渗透通过细胞膜,但它们之所以能通过细胞膜,全赖膜上离子通道的作用

耶鲁公开课 - 生物医学工程探索课程节选