塑料

• The development of plastics is the direct result of the study of molecular structure .
  塑料的发展是分子结构研究的直接成果。
• It is of course possible to produce three-dimensional maps by plastic modeling .
  制作立体地图，当然可用以采用塑料成型的方法。
• These plastics are organic compounds and so are subject to decomposition by heat .
  这些塑料都是有机合成物，因此易为热所熔化。
• Rectangular plastic cards coated with magnetic material are employed in this device .
  这种装置使用涂有磁性材料的矩形塑料卡片。
• The plastic overlaps the absorbent material by about an inch at the front and back of the diaper .
  塑料盖过吸水材料前后各一寸。
• The plastic hose should have the correct external diameter in relation to the drill hole .
  塑料软管的外径应该与炮眼直径相适应。
• Microscopic needle-shaped crystals of herapathite are embedded in a plastic base .
  将碘硫酸奎宁的微观针状晶体嵌于塑料片基之中。
• As the lower leaves drop off, the plastic rings will fall to the bottom of the stem .
  当下面的叶子脱落时，塑料圈便会落在茎的基部。
• The modern-day plastic revolution is manifest in japan and the countries of western europe .
  现代的塑料革命在日本和西欧国家是明显的。
• Polystyrene and polypropylene are the two plastic materials generally used for battery parts .
  聚苯乙烯和聚丙烯是一般用于电池部件的两种塑料。