二百五十多年前的惠更斯目镜今天还在广泛使用.The Huygens ocular , which dates back over 250 years is still in wide use today.此时场镜上的划痕和小点会在接目镜中看见.Then the scratches and spots on the field lens would be visible at the eye lens.在这两种仪器中, 物镜所成的象都是通...
They plotted to make the whole Mississippi Valley secede from the United States.他们阴谋策划使整个密西西比流域脱离美国。We won’t allow Tibet to secede from China and become an independent nation.我们决不允许西藏脱离中国独立。But the southerners have lost ...
眼睑红斑 、 水肿、淡紫色是皮肌炎的特征.Erythema, edema and a purple discoloration of the eyelids are of dermatomyositis.本文报告一发生在皮肌炎病患以头皮为感染部位的角化型疥疮病例.We present a case of dermatomyositis with keratotic scabies in the scalp.其开始诊断为脂漏性皮肤炎以及皮...