1.
Studies on the Metabolizable Energy and Crude Protein Requirements For Maintenance in Layer ducks;
蛋鸭休产期代谢能和蛋白质维持需要量研究
2.
THE MAINTENANCE REQUIREMENTS OF PROTEIN FOR ANGORA RABBITS AND THE UTILIZATION EFFICIENCY OF DIGESTED PROTEIN BY THE RABBITS
德系安哥拉兔蛋白质维持需要量及可消化粗蛋白质利用效率的研究
3.
the amount of energy required to maintain the body of an individual in a resting state.
维持个体保持静止状态所需要的能量。
4.
The factory is in great demand of steel to keep up production
那个工厂需要大量钢铁以维持生产。
5.
We need oxygen to support life.
我们需要氧气维持生命。
6.
air is necessary to support life.
维持生命需要空气。
7.
Oysters Myth has it that oysters are the food of love.
牡蛎：只要吃两三个牡蛎就能维持人一天对锌的需求量。
8.
This order of priority may result in breeding animals failing to maintain themselves.
这个优先的顺序，可能致使种畜不能满足维持能量需要。
9.
Maintenance Protein Requirement and Utilization of Protein and Energy by Weaned Sika Deer;
断乳仔鹿的蛋白质维持需要及对蛋白质和能量利用的研究
10.
As ships have to go for periodic refits, it would have been almost beyond our power to maintain a reasonable margin of superiority.
由于船舶需要定期检修，因此我们的力量很难维持海军优势所必需的适当余力。
11.
Maintaining the repositories requires effort and discipline.
维持这些仓库需要（共同）努力和纪律。
12.
suBsistence diet
维持生命所需要的最小限度食物
13.
But maintaining any relationship requires commitment and candor.
但是，维持任何关系都需要承诺和坦诚。
14.
Contrary to Mr Bashir's assertions, foreigners- and a lot more of them- are sorely needed to help dampen the conflict in the west and maintain the peace in the south.
与巴希尔的言论相反，要想缓和西部的冲突，维持南部的和平，苏丹非常需要大量外国人士的帮助。
15.
And any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
这种知识不能保持那种维持生命所需要的温度。
16.
Although an order of magnitude smaller, the pore water pool can supply enough nutrients to build up the macrophyte biomass pool, but only if a fast turnover is attained.
尽管数量级较小，孔隙水池可提供足够的营养来维持大型动植物的生存，但是需要周转得很快。
17.
aid dependency: Refers to the poorest countries that need foreign aid merely to maintain their present low quality of life.
援助依赖国:指那些需要外国援助,但不过仅能以此维持目前低生活质量的最贫穷国家。
18.
You need enough mental and psychic energy to maintain control over the projection and not slip into the dream state.
你需要足够的精神的和心灵的能量以维持对投射的控制，并且不能滑入睡梦状态。