从远处看像一座巨大的拱门，它是一个连续的环，像一种方形面包圈。
Looking from a distance like a gigantic arch, it is a continuous loop, a kind of square doughnut.
从月腺大戟根甲醇提取液的沉淀部分，鉴定了4种化合物，分别为二十九烷醇10、24亚甲基环阿尔廷醇、豆甾醇和达考甾醇。
Four compounds, namely 10 nonacosane, 24 methylenecycloartanol, stigmasterol and dacosterol have been isolated from the precipitate of the plant's methanol extract.
在最近的动物研究中，这种化学物质抑制了COX - 2(环氧化酶)——引发炎症的一种蛋白质(相同的蛋白质称为COX - 2抑制剂，药物如西乐葆则则无效)。
In recent animal studies, this chemical inhibited COX-2, a protein that spurs inflammation (the same protein that so-called COX-2 inhibitor drugs such as Celebrex quash).
在单一环境中使用两种功能，该服务只能使用一次，因为它们都是为特定的用途设计的。
With both functions in a single environment, the service could be used only once, for the specific purpose it was designed for.
绑定会从某一环境中获取一种格式的数据，然后转换成另一种环境中的格式。
A binding takes data from a format in one environment and converts it into the format used in another environment.
所谓工作类型环标识了八种不同的“工作类型”，涵盖了所有行业中所有团队要承担的工作。
The Types of Work Wheel identifies eight distinct 'Types of Work' that need to be undertaken by all teams, regardless of their industry.
它是一种集成的开发环境(IDE)，提供了从设计到构建、测试和部署的统一环境，从一个工作台中可以提供所有这些功能。
It is an integrated development environment (ide) that provides a unified environment for designing, building, testing, and deploying, all from the same workbench.
但数天之后- - -一旦他们环月球航行后，正如从前一样- - -他们会报告说产生一种逐渐强烈的个体幸福感及昂扬的斗志。
But after a few days - once they've gone round the Moon, as it were - they report an enhanced sense of individual well-being and morale.
一些电脑安全专家建议，确保计算机安全的最好方法是编写出一种不那么容易被病毒，蠕虫及其他黑客伎俩破环的软件。
Some computer security experts propose that the best way to ensure computer security is to write software that isn't easily breached by viruses, worms and other hacker tricks.
不过，在描述刺刀固定方式的时候，他就有理有据多了——以前，人们曾经尝试用两种方式将刺刀固定到火枪上：附环固定以及插座式刺刀。
He's on more solid footing though when he reports that two kinds of mountings were tried to affix a bayonet to a musket; ring mounting and a socket bayonet.
产品之一环丝氨酸尤其重要，因为它是一种二线药物，为治疗对标准治疗耐药的结核所必需。
One of the products, Cycloserine, is particularly important because it is a second-line medicine, necessary to treat tuberculosis that is resistant to standard treatment.
最近，一名化学家提取了一个努比亚幼儿木乃伊的骨头，在深入底层的过程中，将它融化泡入了一种肮脏的氢氧化物——酸中，有助于提取其中的四环素。
To get to the bottom of this, a chemist recently took bone from the mummy of a Nubian child and dissolved it in hydrogen fluoride, a nasty acid that helps extract tetracycline.
答：对于世界上几十亿人口来说，鱼是一种主要的蛋白质来源，也是食物中的重要一环。
A: For billions of people in the world, fish is a major source of reliable protein and an essential part of their diets.
赫克特特别注意追踪特定的一种多环芳烃——菲，因为菲存在于香烟烟雾中。
One specific type that Hecht was particularly interested in tracking was phenanthrene, which is in cigarette smoke.
店里还有一种给烤鸭保温的器皿，上面打了五个眼，形成奥运的五环标志。
It also has chafing dishes for warming the duck punched with the five holes of the Olympic insignia.
这便把一种产品整个生命周期中的碳排放减到了最低，由此提供了长期减少碳排放的方案。 这比只盯住产品周期中的一环——比如货物空运——要有效很多。
This minimizes the entire life cycle carbon footprint of a product, providing a long-term emissions reduction solution, rather than looking at just one part of the cycle such as airfreight.
为了迎接奥运，他还决定把这些圈做成五种颜色：红、蓝、黄、黑、绿，就像奥运五环一样。
For the Olympics, he decided to make the rings in five colors: red, blue, yellow, black and green, just like the Olympic rings.
参与者们沿着停车场双环塔的栏杆依次排列，与白色建筑“交相辉映”，形成了一种多色的条纹状图案。
Participants lined the railings of the garage's twin circular towers, creating a pattern of multicolor stripes against the white building.
斯蒂门记录有另一种对有毒的多氯联苯和多环芳烃有抵抗作用海岸物种，那是一种鳉鱼。
Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.
因为牡蛎受到石油污染而面临病从口入威胁的生物并不止环颈鸻一种，美国人所消费的大部分牡蛎都来自于墨西哥湾沿岸的海床上。
Plovers aren't the only oyster-eaters that might be at risk from oil-tainted food: Many of the oysters for human consumption in the United States come from beds along the Gulf Coast.
这样将当今媒介的方方面面作为一种协同作用展示如来是这个学校的班级项目最关键的一环。
This synergy, reflecting the multifaceted nature of today's media, is a key component of the school's class projects.
这一创建中的环太平洋文化是发达与不发达之间一种新型的关系。
This Pacific Rim civilization being created is a new relationship between development and underdevelopment.
研究对象的香烟中添加了一种多环芳烃化合物，该物质进入人体后被转化为另一种破坏dna的致癌化学物质。
A PAH was added to the subject's cigarettes, which was then modified by the body and turned into another chemical which damages DNA and has been linked with cancer.
还有一个要担忧的问题：肉类的油脂滴落在热烫的煤炭、石头或者炉子上会产生另一种致癌物质——多环芳烃。
There's also concern that fat dripping from meat onto hot coals, stones or burners creates additional carcinogens called polycyclic aromatic hydrocarbons.
芬克博士研发出的这种纤维由一种由绝缘聚碳酸酯材料制成的空心杆组成，空心杆的内部有一种30微米的压电聚合物材料制成的环。
Dr Fink's fibre consists of a hollow rod of an insulating polycarbonate material with a 30-micrometre ring of a piezoelectric polymer running along its length.
上脚环是试图了解一种不知名的鸟所要做的第一步。
The ringing is just the first step in trying to understand a bird about which almost nothing is known.
因为四环素是由土壤中的一种细菌——链霉菌分泌而成。
Because tetracycline's secreted by a soil bacterium, Streptomyces.
因为四环素是由土壤中的一种细菌——链霉菌分泌而成。
Because tetracycline's secreted by a soil bacterium, Streptomyces.
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