1.
Conserve energy by allowing for rest periods during the workday and while performing any activity.
在工作日，每工作一定时间后稍事休息以保存精力。
2.
Study on the Structure, Motility and Low Temperature Preservation of Myxocyprinus Asiaticus (Bleeker) Spermatozoa
胭脂鱼精子结构和活力及低温保存研究
3.
Studies on the Method of Improving Liquid Storage of Goat Semen and Elevating Fertilizing Ability of Goat Spermatozoa;
改进山羊精液液态保存方法提高受精能力的研究
4.
We must try to preserve the best of our moral values for our children and grandchildren.
我们必须努力把我们道德价值中的精华保存下来，传给子孙后代。
5.
Containing or preserved in alcohol.
含酒精的含有酒精的或保存在酒精中的
6.
Tending to preserve or capable of preserving.
有保护能力的倾向于保护或保存的，有保护或保存能力的
7.
The Study on Sperm Cryopreservation and in Vitro Fertilization of Laboratory Mouse;
实验小鼠精子低温保存及体外受精的研究
8.
Study on the Application of Spermatozoa Preservation at Low Temperature in Artificial Fecundation of Myxocyprinus asiaticus Spermatozoa
胭脂鱼精子低温保存及其在人工授精中的应用
9.
Optimization Study on Cryopreservation Dilution of Bull Semen;
牛精液冷冻保存稀释液配方优化研究
10.
Cryopreservation of Guppy (Poecilia Reticulata) Sperm;
孔雀鱼（Poecilia reticulata）精子的超低温冷冻保存
11.
Cryopreservation of Molly Fish (Poecilia Latipinna) Sperm;
玛丽鱼（Poecilia latipinna）精子的超低温冷冻保存
12.
Study on Freezing-Preservation Technology on Boar Semen Frozen in 5ml Straws;
猪精液5ml细管冷冻保存技术研究
13.
Cryopreservation of Spermatozoa of the Eriocheir Sinensis H.Milne Edwards;
中华绒螯蟹（Eriocheir sinensis）精子低温保存的研究
14.
Cryopreservation of Spermatoza and Embryo of Pseudosciaena Crocea;
大黄鱼精子和胚胎的超低温保存研究
15.
Study on Techonology of Fertilization in Vitro and Cryopreserved Embryo of Bovine;
牛体外受精及胚胎冷冻保存技术研究
16.
Cryopreservation of Spermatoza of Marine Economic Animals;
海洋经济动物精子超低温保存的研究
17.
Cryopreservation of Zebrafish (Danio Rerio) Sperm;
斑马鱼（Danio rerio）精子的超低温冷冻保存
18.
Antioxidation of Melatonin on Boar Semen Preservation
褪黑素在猪精液保存中的抗氧化作用