质量

• We should make the quality of our products even better .
  我们要使产品质量更上一层楼。
• The greater the enrichment, the less the critical mass .
  浓缩程度越大，临界质量越小。
• The company had run into big problems with quality .
  这公司在产品质量上面临很大的问题。
• The goods are of first quality .
  这批货质量上好。
• Our shops select only the very best quality produce .
  我们商店都是精选的质量最高的产品。
• Figure 7-12 shows a body of mass m on a level surface .
  图7-12表示水平面上质量为m的物体。
• The goods are bad in quality .
  这商品质量粗劣。
• A center of symmetry must coincide with the center of mass .
  对称中心必须与质量中心重合。
• We need regular inspections to control product quality .
  我们需要常规检查以控制产品质量。
• The quality of the novel is diluted by the bad writing .
  因写得不好而使小说质量有所减色。