查询词典 silkworm seed
- 与 silkworm seed 相关的网络例句 [注：此内容来源于网络，仅供参考]
-
Considerable differences were found to be present among silkworm races with different voltinism and between the stock seed and the hybrid silkworm egg of the same race in their diapause characters and tolerance to cold storage.
不同化性的蚕品种之间以及同品种的原种和杂交种之间其滞育性及耐冷藏能力有较大的差异，一般来说，含多化性血缘蚕品种的滞育性低于二化性，二化性低于一化性，原种和原原种的耐冷藏能力低于杂交种，在作长期保存时应分别处理。
-
We put forward a new viewpoint that the purity of seed selection keeps the balance with the DNA polymorphism demand. The research aim at oak silkworm seed selection was to determine how to keep the balance between improving cultivar purity and keeping the genetic diversity within cultivar.
对品种选育的纯度与DNA多态性需求的平衡进行了讨论，并分析了对柞蚕品种选育的启示，提出了柞蚕品种选育的下一步的研究目标：寻找提高品种纯度与保持品种内的遗传多样性的平衡点。
- 推荐网络例句
-
According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。
-
The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。
-
When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候，老师解释《圣经》用两种不同的方法。