| 1. | It was a period of substantial change .
这是一个本质变化的时期。 |
| 2. | The air movement should be variable .
空气的流动应当是变化的。 |
| 3. | Dating the time of change is also difficult .
要确定变化的年代也是困难的。 |
| 4. | Historicism stresses the importance of change .
历史相对论强调变化的重要性。 |
| 5. | We must look beyond for signs of change .
我们应该把目光放远，看到变化的迹象。 |
| 6. | That is the basis of adaptation .
这就是适应性变化的基础。 |
| 7. | It has always adapted to changing realities .
它总是能够适应不断变化的现实情况。 |
| 8. | Times were changing, new opportunities were opening up .
情况是变化的，新的机会出现了。 |
| 9. | Bit sequences are digital signals varying with time .
二进制序列是随时间变化的数字信号。 |
| 10. | I am sure you will get used to the variation of the weather .
我肯定你会适应天气的变化的。 |
