| 1. | Gases are much less viscous than liquids .
气体的粘滞性大大小于液体。 |
| 2. | A step-down transformer has a turns ratio less than 1 .
降压变压器的匝数比小于1。 |
| 3. | They may be substantially smaller or larger than this number .
它们可显著地小于或大于这个数。 |
| 4. | The stem has a slightly smaller diameter than the valve bore .
阀杆的直径略小于阀体孔的直径。 |
| 5. | The distance between parallel cables is at least 0. 2 m .
两根平行的传爆线间距离不小于02米。 |
| 6. | The total diameter of cavitation, if present, is less than 4cm .
若出现空洞，其直径总和小于4厘米。 |
| 7. | Subatomic physics deals with all entities smaller than the atom .
亚原子物理学研究一切小于原子的客体。 |
| 8. | A soil having a uniformity coefficient smaller than 2 is considered uniform .
均匀系数小于2的土壤可视为均质土。 |
| 9. | The second root is rejected since it shows that bmax is less than bmin .
舍去第二个根，因为它表示Bmax小于Bmin。 |
| 10. | As the surface freezes, the ice floats because it is less dense than water .
当湖面冻结时，冰由于密度小于水的密度而浮在水面。 |
