滞产

The normal birth process a total of 24 hours, more than 24 hours for the middle class stagnation.

正常总产程为24小时，超过24小时为滞产。

Road to reduce the soft middle of the fetal head of the resistance to achieve a free accelerate the completion of the process and reduce the incidence of stagnation production,reduce maternal pain in childbirth.

减轻了软产道对胎头的阻力从而达到了加速完成分娩过程，降低滞产的发生率，减轻孕妇在分娩时的痛苦。

Though carbohydrate metabolism in induced or natural diapaused eggs was the same, the heredity of the induced diapaused eggs experienced no change. The eggs of next generation were still non-diapaused. This is of significance for long-term conservation of polyvoltine silkworm eggs.

本研究还发现诱导滞育卵的碳水化合物代谢虽然与自然滞育卵相同，但其遗传性并未改变，下一代产下的卵仍然是非滞育卵，这对多化性品种的长期保存有重要意义。

Taking regulation and storage function of river channels in the diked area into full consideration, the drainage modulus is obtained by calculating the runoff according to underlying surface conditions and deducing stagnant water from water flowing to the river.

充分考虑圩内河道的调蓄作用，根据圩区下垫面条件进行产汇流计算，入河流量扣除滞蓄量得到排涝模数。

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。