| 1. | Rank sum tests are a whole family of tests . 顺序号总和检验是检验中的一大类。 |
| 2. | These two categories are aggregated in the tables . 在表中这两大类综合在一起。 |
| 3. | Fuel delivery system can be divided into two categories . 燃料供给系统可分为两大类。 |
| 4. | Fatty acids can be divided roughly into two main classes . 脂肪酸可粗略地分为两大类。 |
| 5. | It is useful to classify all these particles into two groups . 把所有粒子分成两大类是适当的。 |
| 6. | It is customary to think of three general types of wound union . 通常认为伤口愈合可分为三大类。 |
| 7. | Indentation methods of hardness testing comprise two principal groups . 压痕法测定硬度包括两大类。 |
| 8. | Fuels for diesel engines may be considered under two broad headings . 用作柴油机的燃料可以分两大类。 |
| 9. | Another major class of theorems deals with less stringent conditions . 另外一大类定理处理不太严励的条件。 |
| 10. | Untuned coupling system may be further subdivided into three major classes . 非调谐耦合系统可进一步细分成三大类。 |