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- The problems of degradation plastic existing now are controllability in degradation speed, degradation but not decomposing and more production cost. 提出降解塑料目前存在的降解速度可控性差、降而不解、生产成本高等问题；
- The degradation speed of the chitosan membrane was faster than PDLLA membrane which has the same molecular weight as the chitosan mem... 在相同的实验条件下相同重均分子量的壳聚糖膜比聚乳酸膜降解快。
- Many scholars have conducted studies on metal internal fixtors and the histocompatibility, intensity, and degradation speed of absorbable materials. 国内外许多学者在从事金属内固定物研究基础上，又在骨科领域从事可吸收材料的组织相容性、强度、降解速度等问题的研究。
- Reaction time,temperature,concentration of acid and different kinds of organic acid to the degradation speed of chitosan are studied. 试验研究了不同有机酸及反应时间、温度、酸的浓度对壳聚糖降解速度的影响。
- Its bond stiffness is bigger and the degraded speed is slower than other base by the comparison of load-slip curves. 通过比较荷载滑移曲线可看到，高强钢筋高强混凝土间的粘结刚度较其他基体大，且退化速度相对较慢。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- Being sent to prison was the final degradation. 堕落到最后地步就是被关进监狱。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- He drove the car at full speed through the town. 他驾驶汽车全速穿过那座城镇。
- The car rushed at the bridge at astonishing speed. 汽车以惊人的速度向桥冲过去。
- The motorcycles were spinning along at full speed. 摩托车正全速疾驰。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- He was had up for exceeding the speed limit. 他因超速行驶而遭控告。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- "More haste, less speed", as the saying goes. 常言道，“欲速则不达”。
