A degree in this field is based on a sound knowledge of biology, chemistry, and physics, as well as particular forestry subjects such as tree pathology and fire suppression.
此学位是基于对生物，化学和物理扎实的知识，同样需要对诸如树病理和灭火等特别的林业学科的掌握。
The precise tuning of the arc-suppression coil can be realized on the basis of the precise value of the tuning-off degree and the capacitive current.
在准确测量脱谐度和电容电流的基础上，可实现对消弧线圈的精确调谐。
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