在光照明亮的实验室里用显微镜观察植物细胞时在显微镜视野中能清晰看到细胞壁但看不清楚细胞内容物.为便于观察此时应 A.改用凹面反光镜 Template




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tomski在光照明亮的实验室里用显微镜观察植物细胞时在显微镜视野中能清晰看到细胞壁但看不清楚细胞内容物.为便于观察此时应 a.改用凹面反光镜 coloring