dual system造句

1、The dual system is rigid and discriminatory.
* 制僵化，带有歧视性。

2、But the dual system is under pressure.
但是，双元制也受到了压力。

3、Using SAA7283 to realize PAL-BG/I dual system NICAM reception
用SAA7283实现PAL-BG/I双制式丽音接收

4、DO you suppose it is beyond us to produce a dual system of astronomy?
难道你以为我们不能创造一种双重的天文学体系吗？

dual system翻译