The center control computer observes the tidal discharge by sending orders to the water lever and velocity instruments through the optical fiber cable automatically.
中心控制计算机通过光缆向水位和流速仪器发送控制指令并进行监测，实现对潮流量自动监测。
This will enable the efficiency. In case the changes of the water level in the measurement process, the flow velocity will poor consistency and have greater impact on the discharge precision.
这样效率较低，测量过程中一但水位发生变化，测出流速数值时间上的一致性较差，对测出的流量精度有较大的影响。
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