| 1. | The current is the charge flow per unit time .
电流是每单位时间流动的电荷。 |
| 2. | Normal or linear strain is defined as the change in length per unit length .
正改应变或线应变由每单位长度内的长度改变量来定义。 |
| 3. | The radioactivity of a sample is defined to be the number of disintegrations per unit time .
样品的放射性定义为每单位时间的蜕变数目。 |
| 4. | The ratio of stress to strain, or the stress per unit strain, is called an elastic modulus of the material .
应力与应变之比，即每单位应变的应力，叫做该材料的弹性模量。 |
| 5. | Perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight .
也许被子植物适应优势的秘诀就在于它们有能力形成每单位重量的木材可支付少得多的能。 |
| 6. | Last week you quoted me a price of us $ 200 per unit
上周你报给我的价钱是每单位200美金。 |
| 7. | The amount of radiation energy transmitted per unit time
每单位时间内所传送的辐射能量。 |
| 8. | It releases more heat per unit of weight than any other fuel
作为燃料，它每单位重量释放热量最多。 |
| 9. | For the latest fund price ( i . e . net asset value per unit )
查看最新之基金价格(即每单位资产净值) 。 |
| 10. | The amount of radiation energy fell on unit area per unit time
每单位时间内照射在一平方米面积的辐射能量。 |
