x

x

1. ■ =abscissa;

2. ■ axis;

3. ■ cross;

4. ■ ex(=without)[拉]除...; 无...;

5. ■ extra;

6. ■ first unknown quantity 【数】第一未知数或量;

7. ■ kiss;

8. ■ magnifications;

9. ■ number of structural units in polymer molecule【化】聚合物分子结构单元数;

10. ■ reactance;

11. ■ xylonite