The apparatus consists of a single board microcomputer, propeller type velocity sensor, tail fin type flow direction sensor and corresponding interface circuits and software.

该仪器以单极微机为核心，配置旋浆流速传感器、尾舵式流向传感器、相应的接口电路和软件。

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Besides existing the single transmission questions, two grades of reducer have other problems, such as dimension coordinate, transmission radio distribute, power flow direction and balancing.

双级减速器除了存在单级的传动问题以外，还有外形尺寸协调、传动比分配、功率流分流及机构平衡等问题。

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In holidays, travel traffic flow increases dramatically, particularly in a single direction of traffic, and the rapid increase in traffic flow leads expressway to prone to traffic jams.

节假日期间，出行车流急剧增加，特别是单一方向的车流，车流的迅猛增加导致高速公路容易产生交通拥堵。

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The currents of history may ebb and flow, but over time they move -- decidedly, decisively -- in a single direction.

WHITEHOUSE: President Obama Speaks to the Australian Parliament