查询词典 not essential

Because of this conversion, arachidonic acid is not an essential fatty acid as was once believed.

由於这种转换，花生四烯酸不是一个必需脂肪酸作为曾经相信。

For example, the fatty acid, arachidonic acid is essential for cats but not for dogs.

例如， arachidonic acid 这种脂肪酸对猫是必要脂肪酸，对狗却不是。

We believe it essential to recognize the validity of zero as a target but at the same time remind industry and the regulatory community that this target may not be consistently and uniformly attainable because no aseptic environment or aseptically produced product is provably sterile.

我们相信，承认验证零污染这一目标是至关重要的；但与此同时，我们想提请制药公司和药证机构注意的是，这一目标可能不会持续地并广泛地被保持–因为没有任何无菌环境或是无菌生产的产品可以被证明是无菌的。

Cultivating the rural human resources is not only the essential contents bult also the urgent demands and the most important prompting force in building new socialist countryside.But as for Sichuan Provinces cultivating the rural human resources,there are such problems as great in quality,poor in quatity,unreasonable in structure.

因为农村人力资源开发既是建设社会主义新农村的重要内容，也是建设社会主义新农村的迫切要求和根本推进力量，然而，目前四川省农村人力资源还存在着诸如数量庞大、质量较低下、结构不合理等一系列问题。

It is very essential to have a causation concept for mankind when they self-executed the movable activities. Man can not deviate the basic principle from the causational rules when they studied any of the social phenomena.

因果观念是人类一切自觉活动必不可少的逻辑条件，人类在研究任何社会现象的普遍联系的过程中，都离不开以因果和因果关系作为基本原则的指导。

Chlorotic spot whitening, regulating the "three high"-linolenic acid is an essential component of human cell membrane material, one can improve the ratio of fat cell membrane, increasing membrane permeability, and promote cell metabolism, they are partial pigmentation of the Scavenging is particularly evident; also because of its strong anti-oxidation, plaque will not relapse back.

褪斑美白，调节&三高&α-亚麻酸是人体细胞膜的基本组成物质之一，能够改善细胞膜上的脂肪比例，增加细胞膜的通透性，促进细胞代谢，故而对局部色素沉淀的清除作用尤为明显；又因其具有很强的抗氧化作用，斑退后不会复发。

The right of rental, that is, the right to authorize others to use temporarily a cinematographic work or a work created by a process analogous to cinematography, or computer software, except where the software itself is not the essential object of the rental

七出租权，即有偿许可他人临时使用电影作品和以类似摄制电影的方法创作的作品、计算机软件的权利，计算机软件不是出租的主要标的的除外

Bone and strength in a small compass are essential, but this must not be taken to mean that a Terrier should be "cloddy," or in any way coarse--speed and endurance being requisite as well as power.

较小规模的骨量和力量是必须的特征；但这并非表示刚毛猎狐梗是一种傻狗，或有任何粗糙的地方——其实，速度与耐力与力量一样重要。

Confronted with the new course reform, the teacher is not to turn his role into other roles, but to determine anew in accordance with the requirements of new course his own professional connotations, which are expressed in the following "5-er/or＇ s": The teacher is a service performer of the students, which is the essential characteristic of the role, showing the nature and the working attitude of the teacher; he is a promoter of the students＇study, which is the kernel characteristic of the role, normalizing his teaching behavior; he is a cooperator of teaching and study, which is the basic characteristic of the role, normalizing the equal relation between the teacher and students as well as between teaching and study ; he is a constructer of the new course and a teaching - study researcher, which are the significant characteristics of the role, normalizing his specialty research and advanced learning and improvement.

面对新课程改革，教师不是把自己的角色转变为其他角色，而是根据新课程的要求重新确定自己的职业内涵：教师是学生的服务者，这是教师角色的本质特征，表明教师的性质和工作态度；是学生学习的促进者，这是教师角色的核心特征，规范教师的教学行为；是教与学的合作者，这是教师角色的基本特征，规范师生平等的教学关系；是新课程的建设者和教学研究者，这是教师角色的重要特征，规范教师的专业研究与进修提高。

The main constituents of the essential oil from the seeds of Schisandra chinensis were found to be Copaene,α-Farnesene and α-Cubebene.Some components such as δ-Selinene,Germacrene B and Germacrene D,etc.,have not been reported before.

五味子种子挥发油的主要成分为烯，α-金合欢烯、α-荜澄茄油烯，与以前报道的果实挥发油成分有所不同。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。