The direct compression and artificial digestion method were used to examine the encysted metacercaria of C.用直接压片法和消化法检查淡水鱼虾体内的华支睾吸虫囊蚴.Objective To study the infection of freshwater fishes with the encysted metacercaria o...
从该星系中心收到的无线电信号证实了黑洞理论。Radio signals received from the galaxy's centre back up the black hole theory.他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑洞.They have discovered now , previou sly unimagined objects - pulsars, quasars, and b...
It's very difficult being a woman in motor racing.做一名女赛车手很不容易。Do they realize we are racing towards complete economic collapse?他们意识到我们的经济马上要彻底崩溃了吗？Mr Honda was himself a keen racing driver in his younger days.本田先生自己...