燃烧过程中使用的燃料种类数及氧化剂种类数均没有限制。

There is no limit to the number of fuel and oxidant species used simultaneously.

youdao

从0对数区间到第9对数区间，革螨种类数显示逐渐下降的趋势。

From log interval 0 to log interval 9, the mite species number shows a gradual descending.

youdao

同一时期的不同季节和各季节的不同时期间的种类数均有明显的变化。

There were obvious changes in the number of species in different seasons of the same period and different periods of the same season.

youdao

The reason I want to point this out to you is, if we go back up to the kinds of data objects we started with, floats, ints, strings, they actually behave the same way.

我要为大家指出这一点的原因是，如果我们想一下以前讲过的,数据类型的种类，浮点数，整数，字符串，它们实际上有相同的行为方式。

麻省理工公开课 - 计算机科学及编程导论课程节选