种类

• Each element is composed of identical atoms of a single kind .
  每种元素由单一种类的相同原子组成。
• In time the manorial court was regarded as having two natures .
  当时，采邑法庭被认为具有两种类型。
• Some species cause diseases, but many others are helpful .
  有些种类能引起疾病，但也有许多是有益的。
• The subtropical island has a remarkably rich native flora .
  这个亚热带岛屿有相当丰富的乡土植物种类。
• Examples include dioecious species where only one sex is present .
  例如在雌雄异株种类中仅仅存在单性。
• Different types of foraminifera thrive at different temperatures .
  不同种类的有孔虫在不同温度下繁殖。
• A species diversity index(sdi), which is difined in eq. (1－2) .
  种类多样指数（SDI）可由式（12）求得。
• All of these samples of salt have the same fundamental properties .
  所有这些种类的盐都具有相同的基本性质。
• Such resistance categories are arbitrary and vaguely delineated .
  这些对抗种类的描述是主观的和含糊不清的。
• Bed material samplers, as first developed, may be divided into three types .
  最初的河床质取样器有三种类型。