精

Women do not produce semen, and, as a rule, do not ejaculate.

女性不产精，结果就不射精。

Ejaculation and mental factors can not have a great relationship, especially in the secondary can not ejaculation.

射精不能与精神因素有着极大的关系，特别是继发性的射精不能。

The differential diagnosis, evaluation and treatme nt of patients with suspected ejaculatory duct obstruction is described herein.

本文对怀疑射精管阻塞病人的不同诊断、评估和治疗方法作了描述，包括一些新的很少侵入性的诊断和治疗射精管梗阻技术。

Some groups of boys even engage in ejaculation contests to test whose ejaculatory jet is the strongest and can reach the furthest.

一群男生在一起会从事射精竞赛，以射精来测试他们谁是最强壮的，并且可以达到最远。

"Ejaculatory impotence (inability to reach orgasm, sometimes with an erection maintained for a long time) nearly always has an emotional cause."

不能射精的患者能勃起，但在高潮时却无法射精，他们能够维持长时间的勃起，这种形态的性无能几乎全是心理因素所导致。

Human respect is one of the two distinguishing features of LP, and is the most elementary method to support the operation of LP.

尊重人是精益生产的两大特色之一，是支撑精益生产运作的基本手段。

Bulgaria rose essential oil: Essential oil through 100% enfleurage with complete fragrance

接近花朵的原味，保加利亚玫瑰精油就是这种物超所值的珍贵精油，甜香花香与后味都更为明显，带有淡淡的花粉韵味。

The epididymis was collected at 2 and 4 weeks after the operation.

目的 研究血管内皮生长因子及其受体2(VEGFR2)在实验性左侧精索静脉曲张大鼠附睾中的表达和定位，探讨VEGF、VEGFR2在精索静脉曲张致男性不育中的作用。

Some sperm with damaged DNA may escape from the sperm surveillance mechanism and transmit the damage to the offspring.So research on the damage to sperm DNA has become one of the hot spots in reproductive medicine.

替代组蛋白成为精核蛋白的鱼精蛋白和大量的二硫键使精子染色体高度压缩，这种特化的结构可以保护精子DNA免受伤害，因此成熟精子对各种致病因素有较强的抵抗力。

Jing is a fundamental structure of Qihua which can't express any defference of future life at stage of Jing; Yin Yang expresses the evolution regularity of life which has defferent nature; five elements expresses a team of natural number which under five elements and it contral life to evolute at five stages.

生殖之精，是生命基本的化演单位，气化之宇。阴阳，表达生殖之精依靠气化，演化出的具有某些相对的可比较属性。五行，是反映生命体在气化作用下，同源演化区域里生命结构或功能渐变的五大变化序态。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。