In the light of this information it is now possible to identify a number of key issues.

根据这一信息，现在有可能发现很多关键问题。

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The key development lies in the ability of the sphere, an optical device, not only to remain invisible itself but to slow light.

关键在于光纤球功能的开发，一种光学设备，不仅要保持自身的不可见性，还要能减缓光线。

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The wavelengths of that light are our key to assessing conservation.

它们的波长就是我们评估是否守恒的关键。

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Such sessions can shed new light on key management techniques and provide students with insights from industries other than their own.

CNN: Course delivery explores new paths

Safaris sometimes involve flying to remote locations in small planes that usually have a weight limit for bags, so packing light is key.

CNN: Tanzania: Make the most of your photo safari

Seen in that light, the key for doctors improving their communication with patients is the quality of their communication with fellow clinicians.

WSJ: The Experts: How to Improve Doctor-Patient Communication