| 1. | Activation of the heart normally begins in the sinoatrial node .
在正常情况下，心脏的活动始于窦房结。 |
| 2. | There can be important consequences of activation or deactivation .
在这里可能有活化或钝化的重要结果。 |
| 3. | When turning the motor on, one second should be allowed after activation .
马达接通时，允许有一秒钟的启动时间。 |
| 4. | These are far outweighed by the benefits of the neutron activation method .
中子活化分析的好处是远远超过它们的。 |
| 5. | Neutron activation analysis for uranium in soil may delineate structures .
用中子活化分析测定土壤中的铀以圈定构造。 |
| 6. | Catalysts that lower markedly the activation energy of the reactions are required .
需要显著降低反应活化能的催化剂。 |
| 7. | Activation of nucellar cells by discharge from the pollen tubes has been claimed .
认为由花粉管的流出物能使珠心细胞活化。 |
| 8. | Neutron activation or chemical analysis for uranium are used as a follow-up .
中子活化分析和化学分析铀可作为进一步追索的方法。 |
| 9. | On the negative side, the concepts of activation and arousal are rather amorphous .
从消极方面说，引发和激发这两个概念是很难以捉摸的。 |
| 10. | Activation of lymphocytes and liver regeneration both involve perinuclear clustering of lysosmes .
淋巴细胞的激活以及肝脏的再生都与溶酶体在核周的集聚有关。 |
