The AU is a cosmic measuring rod, and the basis of how we scale the Universe today.
天文单位是宇宙的标尺，是我们今天测量宇宙的基础。
The front end of the measuring rod is provided with a disc, and the outside of the disc is provided with a sticking layer.
测量杆的前端设 置有圆盘，圆盘的外侧设置有粘贴层。
The method includes: detecting magnetic induction of the magnet via the sensor to judge relative position of the magnetic rod and the measuring rod;
所述方法包括：通过 所述传感器检测所述磁铁的磁感应强度，判断出所述磁力杆和所述测量杆的相对位置；
The oven adopts pneumatic film 3-way valve, realizing an auto control on the temperature of the oven via the temperature-measuring rod and the temperature controller.
烘箱采用气动薄膜三通阀，通过测温棒及温度控制器，实现烘箱温度的自动控制。
The oven adopts pneumatic film 3-way valve, realizing an auto control on the temperature of the oven via the temperature-measuring rod and the temperature controller.
烘箱采用气动薄膜三通阀，通过测温棒及温度控制器，实现烘箱温度的自动控制。
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