| 1. | A research on learner retention and learning support
学生保持率与学生支持服务的研究 |
| 2. | Pri rubber , raw natural - determination of plasticity retention index
天然生胶塑性保持率 |
| 3. | Rubber , raw natural - determination of plasticity retention index
天然生胶塑性保持率的测定 |
| 4. | Aluminum pipe diameter keeping rate when bended
铝管弯曲直径保持率 |
| 5. | Textiles . tests for fabrics . determination of water retention rate and drying duration
纺织品.织物试验.水分保持率和干燥持久性的测定 |
| 6. | After aging test , its retention rate of mechanical properties is higher than that of the reference group
发现这种复合弹性材料在热氧化后力学性能的保持率比参照样品有明显的提高。 |
| 7. | Inspecting method for import and export standard rubber . determination of initial plasticity p sub0 ; and plasticity retention index
进出口标准橡胶检验方法.塑性初值和塑性保持率的测定 |
| 8. | Further , solid carbon can be obtained from a variety of natural resources with large enough reserves and with a high exergy retaining ratio
另外，碳燃料来源广泛，生产纯碳的过程往往比生产纯氢的过程有效能保持率高。 |
| 9. | We will give you salary according to the teaching quality , the rate of keeping the students learning , and students ' judgment to you , at least 100 each time
每半期根据教师的教学质量、学员上课保持率、学员反馈等综合考核后发给酬金，起点每次最低100元。 |
| 10. | Discover the secrets on how to lead a championship winning team through a breakthrough system to skyrocket membership sales and retention in club operations
通过创新的系统，来发现如何打造冠军常胜团队的秘诀，在俱乐部运营中做到极佳的会员卡销售以及会员保持率。 |
