The two types of visual concept can be traced back to Plato who created two types of visual:"Spiritual Eye"and the naked eye.
两种视觉观念都可以追溯到柏拉图,柏拉图塑造了两种视觉:"心灵之眼"和肉眼。
large enough to be visible to the naked eye.
足够大的肉眼可见的。
megascopic heterogeneity
肉眼可见的非均质性
Large enough to be perceived or examined by the unaided eye.
肉眼可见的大到可以用肉眼观察或辨别的
visible to the naked eye (especially of rocks).
肉眼可见的（尤其用于岩石）。
Five other celestial objects visible to the naked eye also shift their positions with respect to the stars.
还有5颗肉眼可见的星体，也相对于恒星漂移。
Visible particulate matter can be controlled by adequate regulations.
对肉眼可见的颗粒物质的污染通过适当管理即可加以控制。
At this stage there is a latent image which is not yet visible.
这一阶段便形成肉眼仍不可见的潜像。
too small to be visible to the naked eye.
太小以至于肉眼不可见的。
You can see it with the naked eye.
你可以用肉眼看见。
The star is visible.
那星星可以用肉眼看见。
Marks that are invisible to the eye are made visible by a new technique.
肉眼看不见的斑迹可以用一种新技术显现出来。
A Microscope will reveal much that cannot be seen with the naked eye.
显微镜可以看到许多肉眼看不见的东西。
It is invisible to the naked eye.
那是肉眼看不见的。
The gross apperance of the bowel may be normal from the serosal surface.
肠管肉眼所见，浆膜面可以正常。
Nobody can get away with the invisible, ghostly electronic waves. Visual versus virtual; even the flower can't prove anything.
肉眼不可见的电波如鬼魂飘荡，无人能幸免于它的纠缠。眼前所见如真如幻，连花也无法证明什麽。
Nor is this by any means the end of man's ignorance in connection with things unseen and intangible.
人类对于无形无色、肉眼不可见的力量的无知，绝不仅止 于此。
Too small to be seen by the unaided eye but large enough to be studied under a microscope.
非用显微镜不可见的；微观的用肉眼不可见的但是可以用显微镜观察的
This is characterized by evidence of a chronic inflammatory on gross or microscopic examination.
他的特点是，在肉眼观察或显微镜检查下，可见到慢性炎症。