A ratio of less red and to more far-red light would cause a reaction from the plant.
较少红光和较多远红光的比例会引起植物的反应。
The plant on top would absorb most of the red light for photosynthesis, but reflect most of the far-red light.
顶部的植物会吸收大部分的红光进行光合作用，但反射大部分的远红光。
Plants absorb most of the red light that hits them, but plants only absorb some of the far-red light that hits them.
植物吸收大部分照射到它们的红光，但只吸收部分照射到它们的远红光。
Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。
There is a significant change in the red to far-red ratio if a plant is shaded by foliage.
当一个植物被荫蔽时，它所面临的红光对于远红光的比值就会发生显著改变。
These processes are all influenced by a low red to far-red ratio, but the exact mechanisms were not understood.
这些过程又都受到较低的红光与远红光比的影响，但是这个机制的精确细节部分仍然没有被揭示。
The phytochrome molecule is the photoreceptor used by plants to sense environmental red and far-red light changes, which are vital to direct growth and development.
光敏色素是植物感受外界环境变化的最重要光受体之一，对红光和远红外光非常敏感。
Its parent star is a red dwarf--a far smaller and fainter object than the sun.
其母体恒星就像是一个红色的小矮人——比起太阳来实在是又小又模糊。
You can send electronic red packets to others no matter how far they are.
无论别人有多远，你都可以发送电子红包给他们。
The thunder sounded far to the east, moving from them in its red wreaths of light.
粼粼雷声从遥远的东边传来，又挟着红色的冠形闪电离他们而去。
They teased him as a "red." They were far ahead of him in subjects like mathematics.
同学们取笑他是“赤色分子”，同学们类如数学的各科成绩远比他要优异。
The test was not designed to trip kids up. Far from it-we only tested basic color words, and we never made kids pick between confusable shades, like red and pink.
测试并不难，恰恰相反，我们只选择那些基本的色彩词汇，而且我们避免孩子从两个相近的颜色中作选择，比如红色和粉红色。
Sarah Brown wowed onlookers with her “red slingback wedge sandals”, hailed by the Guardian as the campaign's best footwear so far.
萨拉布朗穿着她的“红色露跟楔形凉鞋”赢得观众喝彩，被卫报誉为竞选中最棒的鞋子。
Farthest travelled is the red knot, which breeds on the high Arctic tundra and winters as far away as South Island, New Zealand.
红鹬是能飞得最远的一种鸟。冬天，它在高北极苔原产卵，然后飞往新西兰南岛。
Pictured above two weeks ago, far infrared images — depicted in false-color red — show a powerful storm system active above the returning dark belt.
上图是在两周前拍摄的远红外照片——人工添加了红色——展现了在再次出现的黑暗地带上强力而活跃的风暴系统。
Galileo didn't obtain Great Red Spot mosaics at this resolution and Cassini passed too far away from Jupiter.
伽利略没有得到这种分辨率的大红斑拼图，卡西尼离木星又太远。
Hilary Swank proving that there ought to be far more ostrich tributes on the red carpet.
希拉里·斯万克证明着红毯上应该摆放更多的鸵鸟饰品。
Cook with red Onions, not yellow. Red Onions contain far more quercetin, an antioxidant that is thought to protect against cataracts.
食用红色的洋葱，而不是黄色的。因为红洋葱含有更多的可预防白内障的一种抗氧化物。
However, since its parent star is a red dwarf-a far smaller and fainter object than the sun-that orbit is, in fact, much smaller that the Earth's around the sun.
但是因为其母体恒星就像是一个红色的小矮人——比起地球来实在是又小又模糊，因此它的运行轨道与地球相比也就小了很多。
Most focus on Nangezhuan, a village in Daxing not far from the new monument, which is set amid corn fields, orchards and fruit sellers hawking pears under red umbrellas.
绝大多数人都关注南各庄，这是一个大兴的一个村庄，距离工程地址也不远，四周被农田和果园环绕，还有果农在红伞下面叫卖着梨。
They follow the couple down the street, dodging the crowds and sprinting across red lights, keeping far enough behind so as not to arouse suspicion but close enough so that Shimizu can film.
他们跟随这对情侣沿着大街一直走，在人群中穿梭，冲过红灯，保持既不会引起怀疑又不影响清水拍摄的适当距离。
By measuring the amount of red-shifting, it's possible to calculate how fast the galaxies are moving apart and also how far away they are.
通过测量红移的多少，那就可以测量银河移动的速度有多快并且我们相离有多远。
Executives complain, though, that red tape and other non-tariff barriers are a far bigger hurdle.
然而，管理人员却抱怨，繁文缛节与其他非关税壁垒是更大的拦路石。
The idea that a dog could tell a red carpet from a housebreaking pad may sound far-fetched.
认为狗能把分辨狗尿垫和红色地毯的想法可能听起来很荒谬。
It was known that ochre-rock with red or yellow pigments-was used for paint even that far back in history. But there was scant evidence for how it was prepared and handled.
众所周知，拥有红色或黄色色素的赭石岩一直被广泛运用于绘画中，但却少有证据显示它是如何制作并运用的。
Red dwarf stars, which are by far the most common stars in our galaxy, were once considered unlikely places to find Earth-like planets, but new studies contradict that view.
银河系中最常见的恒星是红矮星，它们一度被认为不太可能发现类地行星，但新研究和这个观点相抵触。
Of the 20 women she has tested so far, only one was able to instantly and accurately identify the red-green disc each time.
在她目前为止测试过的20位妇女中，只有一位可以每次都即时准确的识别出红绿盘。
Of the 20 women she has tested so far, only one was able to instantly and accurately identify the red-green disc each time.
在她目前为止测试过的20位妇女中，只有一位可以每次都即时准确的识别出红绿盘。
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