The researches on the etiology aim at guiding clinical prevention and treatment, improving fertility and alleviating the complications that the low estrogen level causes.
对其病因学的研究，旨在指导临床预防和治疗，提高生育力，缓解低雌激素水平所致的并发症。
2
Simulation tests indicate that infrared digital guiding has such characteristics as convenience, agility, low cost and reliability.
模拟试验结果表明，红外数字导引具有方便灵活、成本低廉、安全可靠的特点。
3
Results of this thesis provide guiding significance to waterpower design of impeller of the low specific speed centrifugal pump.