Molecular genetics came to depend upon studies of the structure and function of dna, rna and protein . 分子遺傳學的形成仰賴于DNA，RNA和蛋白質的結構與功能的研究成果。
He believed fervently that american progress and prosperity depended upon private initiative and striving . 他強烈相信美國的進步與繁榮，有賴于私人的首創精神和努力奮斗。
"you may depend upon it, they're a cranky lot, the forsytesand you'll find it out as you grow older! " “的的確確，福爾賽家的人都是些神經病你年紀大一點就會懂得。”
"his happiness depends upon it. is not that a good reason?" asked mrs. penniman, impressively . “他的幸福有賴于此事，這難道不是很好的理由嗎？”佩尼曼用特別親切的語氣說。
The vitamin b12 requirements appear to depend upon the levels of choline, methionine and folic acid in the diet . 維生素B12的需要量決定于食品中膽堿、蛋氨酸以及葉酸的含量。
It takes place over a period of time, at a rate depending upon the nature of the material and upon the amount present . 它在一個時期內發生，其速率取決于物質的性質和它的數量。
The initiation and maintenance of faults will depend upon the contemporary system of tectonic stresses in the earth's crust . 斷層的發生和保持取決于地殼的構造應力的同代體系。
The total costs of construction depend upon the amount and cost of the land plus the degree of sophistication of the facility . 建設總投資取決于土地的數量、價值和先進技術利用的程度。
The ideal of marriage in the past depended upon the authority of the husband, which was admitted as a right by the wife . 婚姻的理想，在過去是依靠于丈夫的權力，它是妻子所承認的丈夫的一種權力。
These time-limits depend upon our exertions, upon our achievements, and on the hazardous and uncertain course of the war . 這些時限，要看我們的努力，我們的成就和戰爭的危險而變化無常的進程而定。
