| 1. | The use of lead-free petrol is now being phased in .
无铅汽油的应用现正逐步推广。 |
| 2. | "it is," he continues, "qualitatively a new phase in nuclear weapons development. "
他接着说，“从质量方面看，这是核武器研制的新阶段。” |
| 3. | The compositions of the two phases in equilibrium are given by the points at the ends of the tie line .
成平衡的两相之组成由连结线的两端点给出。 |
| 4. | As opposed to gas-liquid systems, there is an interchange of gas between bubble and continuous phase in fluidized beds .
与气-液系统不同的是，在流化床中气泡和连续相之间有气体交换。 |
| 5. | Third, it is important to derive from the observations irrefutable evidence that the earliest phases in the evolution of protostars do occur .
第三个重要任务是要由观测得到不可辩驳的证据来证明原恒星演化中的一些最早期现象确实能发生。 |
| 6. | Analysis of petroleum accumulation phase in dongying sag
东营凹陷油气成藏期分析 |
| 7. | Formation of amorphous phase in binary immiscible cu - ta system
体系非晶相的形成 |
| 8. | The use of lead - free petrol is now being phased in
无铅汽油的应用现正逐步推广 |
| 9. | The production lines were phased in last year
这些生产线，是去年逐渐引进的。 |
| 10. | Non - determinacy analysis of phase in sasw testing
测试相位差不确定性分析 |
