《生物》第一册(上)的第16页中有这样的一道题:视野内出现了个污点,你有什么办法判断问题出在物镜上、目镜上还是装片上?教参中此题的答案是:①移动装片,如果污点也随着移动,说明污点在装片上;②转动目镜,如果污点也随着转动,说明污点在目镜上;③排除了装片和目镜,就说明污点在物镜上。 为了检验此题答案是否正确,本人特地做 One of the questions on page 16 of the first volume of Biology (above) is: There is a blemishes in the field of vision. Do you have any means to judge whether the problem is on the objective lens, the eyepiece or on the film? The answer is: 1 mobile loading, if the stain is also with the move, indicating the stain on the loading; 2 turning the eyepiece, if the stain is also with the rotation, indicating the stain on the eyepiece; 3 excluded the loading and eyepiece, it shows the stain On the objective lens. In order to test whether the answer to this question is correct, I specifically do