However, the film exposure device of the currently widespread-used X-ray machine has poor quality of image, a low level of automation, poor precision controlled and film exposure and large size.
但是目前国内广泛使用的X射线机的点片曝光装置还存在自动化程度低、控制精度差、曝光精度低以及体积大等缺点。
The result is a compact source of X-rays that can be controlled with great precision.
结果可以产生可以精确控制的简洁的X线源。
A white room is a clean room as well as a temperature-controlled, dust-free room for precision instruments.
白色房间是指一间干净，带温度控制的无尘房间，用于放置精密仪器。
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