Fish furnish an important source of protein.

鱼是蛋白质的重要来源。

In China, it is an important source of protein and oil for human consumption.

在中国，它是人们消费蛋白质和油类的重要来源。

Coal utilization for gasification is an important source of trace element emission.

煤气化是环境中有害微量元素排放的重要来源.

Objective Rapeseed oil deodorizer distillate is an important source of natural vitamin E.

目的菜籽油脱臭馏出物是天然维生素E的重要来源之一.

The automobile industry continues to be an important source of employment in that country.

在那个国家汽车工业仍是就业的一项重要来源。

And (b) to serve as an important source of revenue for the treasury of the central government.

及（b）作为中央政府财政的重要来源。

In France, it is the most important source of state finance, accounting for 52% of state revenues.

在法国， 增值税，是国家财务的最重要来源，约占国家收入的52%。

Thyroid stem cells are important source of thyroid tumor stem cells and stages of differentiation have important influence on malignancy of thyroid tumor.

研究表明，甲状腺干细胞是甲状腺肿瘤干细胞的重要来源，其恶变时所处的分化阶段对甲状腺肿瘤的恶性程度有重要影响。

A lot of fertilizer applications have become an important source of non-point source pollution in rural area, which affects the safety of surface water for drinking.

化肥的大量施用已成为农村面源污染的一个重要来源，直接影响到农村村镇地表饮用水安全。

Traditional Liyue civilization is the important source and base of modern Liyue civilization construction.

传统的礼乐文明是构建现代礼乐文明的重要来源及基础.