| 释义 |
1 ?特征水头 特征水头（ characteristic head） 水轮机的水头随着水电站的上下水位的变化而改变，常用的 几个特征水头： （1）最大水头H max： 允许水轮机运行的最大净水头。
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According to ding Wenjun, the most remarkable feature of his son is that he keeps a cool head, an important characteristic for a snooker player. 父亲丁文钧说，儿子最突出的一点就是能保持头脑冷静，对于台球手而言，这是一个至关重要的特点。 - 2
India, for example, exports not just garments and cheap electronics-characteristic of many countries with similar levels of income per head-but ships, petrochemicals, steel and business services. 例如印度不仅出口服装和廉价电子产品——这是人均收入水平与印度相似的国家典型的出口产品——它还出口船舶、石油化工产品、钢铁和商业服务。 - 3
Baboons have a large head, cheek pouches, and a long, doglike muzzle. They walk on all fours, carrying the tail in a characteristic arch. 狒狒头部硕大，有颊囊，鼻口部狭长似狗。以四肢行走，行走时尾巴呈特有弓形。
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