| 1. | Chemical thinners add another to the arsenal of sprays .
化学疏除剂已列入农药的宝库中。 |
| 2. | Significant losses of pesticides occur during application .
大量的农药是在施撒时损失的。 |
| 3. | The use of household and garden pesticides continues to increase .
家庭和菜园利用农药继续增加。 |
| 4. | Plant cover has been observed to influence pesticide persistence .
人们观察到植物覆盖对农药持久性有影响。 |
| 5. | Data on the world production and use of pesticides is fragmentary .
世界上有关农药的生产和利用的材料是很分散的。 |
| 6. | To undergo photodecomposition, a pesticide must first absorb light energy .
农药为进行光解作用，必须首先吸收光能。 |
| 7. | The pesticides affect the nervous system by inhibiting the enzyme cholinesterase .
这类农药抑制胆碱酯酶而影响神经系统。 |
| 8. | The synthetic organic pesticides gained prominence during the world war ii .
在第二次世界大战期间，合成有机农药受到重视。 |
| 9. | The ultraviolet component of sunlight is responsible for most pesticide photolysis .
阳光的紫外部分是农药光解的最重要因素。 |
| 10. | S-triazine pesticides are rapidly becoming of increasing importance to agriculture .
S-三氮朵苯农药对农业生产变得越来越重要。 |
