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- There are lots of articles researching on pull system model,which often neglecting the defect of parts or assuming the defect level equals to zero directly in production process. 关于拉式系统模型的研究文献很多,但它们往往忽略生产过程零部件缺陷的存在或者直接假设缺陷水平为零。
- Using deep level transient spectroscopy,We studies the defect levels of BSF silicon solar cell irradiated by C,O ions. 对BSF硅太阳电池受碳、氧离子辐照前后的深能级瞬态谱进行了研究，结果表明碳、氧离子在硅太阳电池中引入的缺陷能级非常相似。
- Defect levels most often are measured as defects per million opportunities (DPMO), also called parts per million (PPM). 最常用来评估缺陷等级的物理量是百万机会缺陷数（DPMO），也称百万分率（PPM）。
- They detected no defect in the product. 他们没发现产品有任何问题。
- This was his fatal defect; he was of feeble will. 这是他致命的弱点，他意志薄弱。
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- A football field should be level. 足球场地应该平坦。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
- In other cases, water was in excess, and fire in defect. 至于其它的情形则是水分太多，火候不足。
- I have told the whole story on the level. 我已经诚实地把整个事情经过讲出来了。
- Find level ground for the picnic table. 找一处平坦的地面放野餐的餐桌。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- He has a level head in emergencies. 他在危急关头能镇定自若。
