Test instrument point: Have fixed exactly installation position of ventilation and performance test including related drawings.

试验测点：已完成通风试验和性能试验测点安装位置及加工图纸。

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The position of the float on the riser should be fixed through calculation and site test and adjusted when necessary.

浮漂在升降管上的位置确定，应先通过计算，然后在现场试验，不断调整。

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And then, for each tag position attached on the container, change the distance between the container and the antenna along a fixed direction. After that, for each distance, test label read rates.

首先搭建了较为理想的测试环境，然后改变标签在货箱上的贴附位置，并对每一个贴附位置沿固定方向改变货箱与天线的相对距离，接着对每一个距离测试标签的读取率。

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