然而，一些卵壳中会出现反向螺旋的蜗牛，多数情况下是在左旋卵壳中，右旋的出生率惊人地高。
However, some broods possess a few snails of the opposing hand, and in predominantly sinistral broods, the incidence of dextrality is surprisingly high.
稳定胶原螺旋的氢键也必须要被破坏。
The hydrogen bonds which stabilize the collagen helix must also be broken.
这将造成一个下行螺旋的结果。
它还是螺旋的礼物。
你的目标是使从水箱中的水流旋转的盒子的角向对面螺旋的象征。
Your objective is to make a stream of water from the water tank to the spiral symbol on the opposite side by rotating the corners of the boxes.
轻度螺旋的DNA有利于基因的转录，因为可接触的表面积较大。
Lightly coiled DNA facilitates transcription because there is more surface area available.
RNA分子能像DNA分子那样形成双链螺旋，通过沃森·克里克配对，两个螺旋的核苷链互补。
RNA molecules form double stranded helices, just as do DNA molecules, by Watson Crick pairing of nucleotides on the two complementary strands of the helix.
螺旋的二十七种菌株，每一种的消失都对生存至关重要的基因，单个与人造基因库缠绕在一起。
Twenty-seven strains of E. coli, each missing one gene critical for survival, individually mingled with the synthetic-gene library.
元旦是螺旋形的，虽循环往复，却向上向前，送你的祝福也是螺旋的，虽然情意一样，却是更厚更甜！
Spiral's New Year's day, although cycles, but up forward, sending your blessing and spiral, although cordiality, is more thick sweet!
上周三，《自然》杂志发表了佛朗西斯·克里克博士的来往书信片段，他是分享了半个诺贝尔奖的赢家，也是发现双螺旋的两人(詹姆斯·)沃森(博士)和克里克中的后者。
Last Wednesday, Nature published excerpts of letter correspondences of Dr. Francis Crick, one half of the Nobel Prize-winning and double helix-discovering duo (James D.) Watson and Crick.
这个迷宫实际上是两个连锁的螺旋体。
“土地艺术”这个词让我想起史诗干预土地如罗伯特·史密森的“螺旋码头”。
The term Land Art brings to mind epic interventions in the land such as Robert Smithson's Spiral Jetty.
小黄瓜大厦由两种瓜类巧妙建成，并饰以青豆，以突出其著名的螺旋形玻璃框架。
The Gherkin is cunningly crafted out of two types of melon and embedded with green beans to highlight its renowned spiraling glass frames.
我并不担心我们正处于在一个竞争的螺旋中——高斯必须做高斯之前做的事，那就是重新获得顾客对价格的信赖。
I'm not concerned that we're in a competitive spiral—Coles has had to do what Coles has done, which is to regain price trust.
他们认为，政府有必要采取行动来阻止英国人吃不健康的食物，并帮助防止肥胖率、糖尿病和心脏病发病率的螺旋式上升。
They argue that government action is necessary to curb Britain's addiction to unhealthy food and help halt spiraling rates of obesity, diabetes and heart disease.
直升机的螺旋桨开始转动时，尽量离远点儿。
Stay well away from the helicopter when its blades start to rotate.
随着低沉的隆隆声，螺旋桨开始旋转起来。
With a low-pitched rumbling noise, the propeller began to rotate.
受热气体通过水中的一根螺旋管输送。
这是一架有八个座位的双螺旋桨飞机。
混凝土的搅拌和卸载主要依靠两个螺旋搅拌叶片，因此螺旋搅拌叶片的设计尤为重要。
Concrete mixing and unloading mainly depend on the two spiral mixing leaves, so the design of the helical mixing blades is particularly important.
无论如何，如果我们检查这些螺旋状DNA的末端，我们会发现每条人类染色体的末端都有一个被称作“端粒”的 DNA序列。
Anyway, if we examine these ends of these coils of DNA, we will find a sequence of DNA at each end of every human Chromosome, called a telomere.
推进器是由火箭发动机提供的，而不是螺旋桨和方向舵，这使得转向变得困难。
Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.
这些古巴人在一辆1951年的雪佛兰卡车上安装了浮筒和螺旋桨。
The Cubans had attached floats and propellers to a 1951 Chevy truck.
这些螺旋状的脉管是香蕉植物茎的一部分。
这一推理路线是一个令人兴奋的螺旋星系结构新理论的基础。
This line of reasoning underlies an exciting new theory of spiral-galaxy structure.
你看它看起来有点像——好吧，实际上它比这个复杂得多，但它让我们想起——一些连在一起的弹簧，像两个螺旋状的DNA片段。
You see that it sort of looks like—well actually it's much more complex than this, but it reminds us—a couple of springs linked together, two coiled-up pieces of DNA.
它是一个非常寒酸的旋转玩具，上面还有一个在风吹螺旋桨时候就会砍木头的小人。
It is a very tacky whirligig with a little man who chops wood as the wind blows the propeller.
这些塔会升出水面并且亮灯，用以警示船只避让，同时也能够完全升到水面以上，以方便维修螺旋桨和清理叶片上的水草。
The towers will stick out of the water and be lit, to warn shipping, and also be designed to be lifted out of the water for maintenance and to clean seaweed from the blades.
这些塔会升出水面并且亮灯，用以警示船只避让，同时也能够完全升到水面以上，以方便维修螺旋桨和清理叶片上的水草。
The towers will stick out of the water and be lit, to warn shipping, and also be designed to be lifted out of the water for maintenance and to clean seaweed from the blades.
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