Objective To evaluate the effects of vision training on reading speed in low vision children who had previously used low vision AIDS.
目的评价视觉训练对已有助视器的低视力儿童阅读速度的影响。
The GPRS technology has the remarkable advantages such as strong real-time, broad reading scope, quick transmission speed, low communication cost, big system capacity, and so on.
GPRS技术具有实时性强、抄集范围广、传输速度快、通信费用低、系统容量大等显著优点。
While a locomotive runs at a low speed, this sense is more directly perceived than that from reading the speedometer.
在列车低速运行时，这种速度感比从速度表上读数更具直接性。
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