Dr Yabe's trick is to use relatively small Fresnel lenses-transparent and relatively thin planar lenses made up of concentric rings of prisms.

Yabe博士的诀窍是使用比较小的菲涅尔透镜——棱镜同心环构成的透明较薄的平面透镜。

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The planet has a relatively thin atmosphere composed mostly of nitrogen and oxygen.

这颗行星有相对较薄的大气层，主要由氮气和氧气组成。

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Below Jupiter, Mars is relatively faint and struggles the most to shine through a thin cloud bank and the warming twilight glow.

在木星下方，火星相对要暗一些，它努力地穿过一层薄薄的云层，在暖色的暮光光晕中发出光芒。

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The spot market was, and is, relatively thin, and with spot material in relatively short supply, buyers had to bid up price to quite high levels to establish positions.

FORBES: Uranium Market Glowing Green

Motorola had said its dearest RAZR HD LTE would be coming "later this fall" as an exclusive to Rogers, and today's the day that relatively thin and powerful Android handset hits shelves across the border.

ENGADGET: Motorola RAZR HD LTE now available in Canada through Rogers for $100

In addition, Lunar New Year holidays in China are expected to make for relatively thin and cautious trading over the next few days.

WSJ: Australian Shares Edge Lower