占了半数以上英语

The products take more than 50% market in USA.

“占多大比例”用英语说就是：As a percentage。

例句：

1.What are the relative weightings ( percentage ) of the major sectors represented in the index?

这些主要行业部门在指数构成中所占的比例分别是多少?

2.However, together with the peasants, we should work out equitable ratios among these items.

但是, 这几项各占多少, 应当同农民研究出一个合理的比例.

percentage

音标：n /pəˈsentɪdʒ/

意思及例句：

1.百分比；百分率

Only a few vegetable-origin foods have such a high percentage of protein.

只有很少的蔬菜类食品含有这么高的蛋白质。

It's a tiny percentage of the total income.

这只是总收入的一小部分。

Card providers charge retailers fees on a percentage basis.

发卡机构按百分比向零售商收取费用。

2.（全部中的）所占比例；部分 。

A high percentage of women died giving birth.

过去有很大一部分女性在分娩时死亡。

3.利益；好处<非正式>。

4.按百分比计算的利息（或税收、津贴）；按百分比提成的佣金【商】。

常用短语：

1.  a percentage of sth

…的一部分

2.  on a percentage basis

按百分比

3.  to be paid on a percentage basis

按百分比获取报酬

more than 1/2 space is occupied

The minority population is over half the whole region's population.The minoirty population occupies half the whole region's population.

The product takes over half of the markte shares in the US.

The product's market share in the United States accounted for more than 50%.或the product shared more than 50% portion in the united states market。翻译没有完美的版本希望我的能给你一些提示。