1、The fishing industry was a primary source of colonists' wealth.
捕魚業(yè)是殖民者財富的主要來源。

2、A black locust Mosaic tree was another primary source of PSV in peanut.
刺槐花葉樹是花生上PS V另一個初浸染源。

3、It`s best to consume organic vegetables and fruits as your primary source of alpha-carotene.
最好以有機蔬菜和水果作為α-胡蘿卜素的首要來源。

4、The course is based on careful readings of primary source documents, with commentaries.
本課程需要對基本閱讀材料進行仔細的閱讀，然后進行評論。

5、The United States will remain the primary source of clean-energy innovation.
美國將依然保持清潔新能源的主要輸出國地位。

6、a primary source of information
第一手消息來源

7、USP's primary source for these methods is the European Pharmacopeia method.
回答：usp方法的主要來源是《歐洲藥典》方法。

8、The primary source of his identity is who he is—his father and his birthplace.
帕普的身份的主體是他的父親和他的出生地。

9、The radial magnetic force is the primary source of vibration and noise in doubly-salient motor.
雙凸極電機的徑向磁吸力是電機產生振動與噪聲的主要來源。

10、Farming is the only or primary source of income for more than three-quarters of the world's poor.
世界上有四分之三以上的貧困人口以農業(yè)作為唯一的或主要的收入來源。

primary source翻譯