查询词典 unaided eye

In particular, the term "visible color" means a spectrally selective return of light in the wavelength range from 400nm to 700nm, which is detectable by the unaided eye.

特别是，可见颜色指的是选择性返回的光谱中，波长的范围是从400nm 到700nm的颜色，它能被肉眼侦测到。

By the way, there's a second galaxy — M33, in the constellation Triangulum – that some experienced observers have glimpsed with the unaided eye, under perfect sky conditions.

顺便说一下，还有第二个星系- M33，位于三角座-是一些有经验的观察者在完美的天空状况下用肉眼捕捉到的。

What is the smallest thing you can see with your unaided eye?

用裸眼你能看到的最小东西是什么？

Eg:What is the smallest thing you can see with your unaided eye?

用裸眼你能看到的最小东西是什么？

Saturn is the farthest world that you can easily see with the unaided eye.

土星是你肉眼所能看到的最远的星球。

If you can't see Mercury with the unaided eye, try binoculars.

如果你用肉眼看不到水星，那么就试试望远镜。

However, we'll use tonight's moon to locate something that we can't see with the unaided eye anyway.

然而，我们要用今晚的月亮来定位一些我们用肉眼看不到的东西。

The microscope is an optical device used to view materials that are too small to be seen by the unaided eye.

显微镜是一种用于放大微小物体使其成为人的肉眼所能看到的光学仪器。

These six to seven stars are easily seen with the unaided eye.

这些六或七星最早是通过肉眼观测到的。

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

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。