结论:胆囊切除手术的潜在危险依然存在,胆囊残留病变也并不少见。
However, in far-end crosstalk, its sub-channels exist still a lot of frequency spectrum overlapping and increase error-rate.在远端串扰时,其各子信道仍然存在着较大的频谱重叠,使误码率增加。
The results indicate: a bit carbon was removed, and weak interphase joint exist still and did not build up the boundary strength.结果农明,碳没有被除尽,弱的碳界面层依然存在,没有增强界面结合强度。