The presence or absence of freight traffic, the volume of freight traffic, and the nature of freight operations (e.g., overhead vs. local switching).
货车流量存在与否、货车流量的大小、货车运行的性质（如，高架道口或平交道口）。
The benefit of packet switching is that it can handle high-volume traffic in a network.
包交换的好处就在于它能够处理网络上大量的交易。
Switching power amplifier has advantage over volume, efficiency and power dissipation because of its high efficiency.
开关功率放大器由于具有很高的效率，在体积、效率和功耗要求较高的场合具有很大的优势。
Currently, the use of switching power supply than the linear power more widely, mainly because of the volume and efficiency in the growing importance of power supply design.
目前，开关电源的用处较之线性电源越来越普遍，这主要是由于体积和效率在电源设计的重要性日益进步。
Solenoid valve is open and fast speed, and tends to be used in a small volume and small pressure to the switching frequency of the local electric valve big contrast.
电磁阀是快开和快关的，一般用在小流量和小压力，要求开关频率大的地方电动阀反之。
In the past years, Inverter resistance welding power source with soft-switching technology has smaller volume, lower quality, higher efficiency.
近年来，以软开关为特征的逆变电阻焊电源更是以其体积小、重量轻、开关损耗少、功率因数高而备受重视。
Empirical studies provide evidence that firms, on average, increase their visibility, lower transaction costs, and obtain larger trading volume after switching to new stock exchanges.
实证研究发现，一般而言转换挂牌市场之公司于转换挂牌市场后其市场能见度提高，交易成本下降，成交量增加。
Empirical studies provide evidence that firms, on average, increase their visibility, lower transaction costs, and obtain larger trading volume after switching to new stock exchanges.
实证研究发现，一般而言转换挂牌市场之公司于转换挂牌市场后其市场能见度提高，交易成本下降，成交量增加。
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