| 1. | Solar irradiance decreases towards the poles .
太阳辐照率向两极递减。 |
| 2. | There has been a decrease in traffic accidents .
交通事故减少了。 |
| 3. | There is a general decrease in grain size upward .
粒度一般是向上递减的。 |
| 4. | Temperature ordinarily decreases with height .
温度一般随高程增加而降低。 |
| 5. | Cases of this nature are on the decrease .
这类案件正在减少。 |
| 6. | His interest in this subject gradually decreases .
他对这门学科的兴趣逐渐减退。 |
| 7. | The demand for tea is on the decrease ( each year ) .
茶叶的需求量（逐年）递减。 |
| 8. | The drag force decreases as the air density decreases .
当空气密度减小时阻力也减小。 |
| 9. | The aftershock frequency decreases regularly with time .
余震的频度随时间有规律地减少。 |
| 10. | The population of the soviets had decreased by about 600, 000 .
苏区人口减少了六十万人。 |
