It is unscholarly and derivative , and raises a lot of unanswered questions

它不象学者所写而且是摹仿的,并且提出很多不能解答的问题。

属类：综合句库--

It functions directly in vision, especially night vision. A derivative , retinaldehyde, is a component of the visual pigments, including rhodopsin, in the retina. Humans require vitamin A in very small amounts. Unlike carotenes, it is toxic in large amounts and is readily destroyed by exposure to heat, light, or air.

它直接在视力方面发挥功能,特别是夜间视力。衍生物网膜质是视觉色素的成分,包括视网膜中的视紫红质。人类需要小量维生素A(建议成人每天摄取一毫克)。与胡萝卜素不同,大量维生素A是有毒的,而曝露于热、光、空气中会被轻易摧毁。

属类：化学及生命科学-化学-

The difference between an ordinary and a partial derivative was at first not explicitly recognized.

通常的导数与偏导数的区别在一开始并未被人们明确地认识。

属类：综合句库-典型例句-

Determination of Cd in Cigarette and Water with Simultaneity Plating Hg Derivative Pulse Stripping Voltammetry

同位镀汞膜脉冲溶出伏安法测定香烟和水中的微量镉

属类：行业术语-中文论文标题-

1,3-Dipolar Cycloaddition of Methyl Pheophorbide-a and Synthesis of Chlorophyll Derivative

脱镁叶绿酸-a甲酯的1,3-偶极环加成及其叶绿素衍生物的合成

属类：行业术语-中文论文标题-

In calculus, the process of finding a function whose derivative is a given function.

微积分中求导数为已知函数之函数的过程。

属类：自然科学-数学-

We will replace the partial derivative by an ordinary derivative.

我们可用普通微商代替偏微商。

属类：综合句库-典型例句-

I have attended classes designed for only derivative traders, also a class for commodity option traders and a class for Chaologists.

我曾经参加过专门为金融行生工具交易商举办的辅导班,也参加过为商品期权交易商举办的辅导班和为初学者举办的学习班。

属类：社会文化-热点文章-富爸爸穷爸爸

Cellulose, starch, glycogen, and dextran are all polysaccharides of glucose, with different configurations. Pectins are composed of a galactose derivative , chitin of a glucose derivative. Connective tissues, joint fluid, and cartilage contain two-component polysaccharides, including heparin.

纤维素、淀粉、肝糖和左旋糖都是葡萄糖类的多糖,但具有不同的结构。果胶是由半乳糖变异体和葡萄糖变异体角素构成。连接组织、连接流质和软骨中便含有二元多糖,包括肝素。

属类：化学及生命科学-化学-

cellulose derivative ,chemical (excl. cellulose acetates,cellulose nitrates and cellulose ethers in primary forms)

纤维素化学衍生物(不包括乙酸纤维素,硝酸纤维素、和纤维素醚类原状)

属类：物品名称-化工产品-

An acyl derivative of hydrazine.

酰肼一种由肼衍生而来的酰

属类：综合句库--

Much commoner and more important is derivative acquisition from another, by gift, purchase, or inheritance.

现在,更普遍同时也是更重要的方法是通过赠与、购买或继承,从他人那里传来取得财产。

属类：法学专业-法律解说-

A derivative of nitrofuran,C8H6N4O5,used in the treatment of bacterial infections of the urinary tract.

硝基呋喃妥英一种硝基呋喃的衍生物,C8H6N4O5,用来治疗尿道细菌感染

属类：综合句库--

Many sugars are aldehydes, as are several natural and synthetic hormones and compounds such as retinal (a derivative of vitamin A, important in vision)and pyridoxal phosphate (a form of vitamin B6).

许多糖是醛类,数种天然的和合成的激素,以及一些合成物如视网膜(retinal,维生素A,在人的视觉中很重要)和磷酸哆胺(维生素B6的一种形式)也是醛。

属类：化学及生命科学-化学-

Effect of Enamel Matrix Derivative Combined with Demineralized Freeze-Dried Bone Allograft on Severe Periodontal Intrabony Defects

牙釉基质衍生物合并脱钙冷冻干燥骨粉于严重牙周骨内缺损的临床结果

属类：行业术语-中文论文标题-

Clinical Application of Enamel Matrix Derivative in Periodontal Intrabony defects

牙釉质衍生物在牙周骨缺损的临床治疗

属类：行业术语-中文论文标题-

The laws that govern derivative citizenship are controlled by Congress, not the Constitution, and are subject to change from time to time.

衍生公民身份的管辖权属于国会而非宪法,并且会根据需要经常进行修改。

属类：时事政治-美国政治-公民身份和入籍问题

Derivative instruments: A contract whose value changes as prices move in a related or underlying commodity or financial instrument.

衍生金融工具:一种合同,其价值随着有关或特定商品或金融工具的价格变动而变化。

属类：经济金融-世界银行术语-

Derivative Financial Instruments: Development, Evolution & Reasons

衍生金融工具的发展、演变及其动因分析

属类：行业术语-中文论文标题-

Too high a degree polynomial produces lower residuals, but at the expense of smoothness in the derivative

一个很高次数的多项式会产生较低的残差,但却要破坏导数的光滑性。

属类：综合句库--

Determination of Fleroxacin in Its Preparations by the First Derivative Spectrophotometry

一阶导数分光亮度法测定几种制剂中氟罗沙星

属类：行业术语-中文论文标题-

Determination of 2,6-Dinitrochlorobenzene-4-Sulfonic Acid by 1st Derivative UV-Spectrophotometry

一阶导数紫外分光亮度法测定2,6-二硝基氯苯-4-磺酸

属类：行业术语-中文论文标题-

Study on a β-Cyclodextrin Derivative as Chiral Stationary Phase for Gas Chromatography

一种β-环糊精衍生物作为手性固定相的研究

属类：行业术语-中文论文标题-

A System of Multi-Loop Smith Predictor Based on Incomplete Derivative PID Control

一种不完全微分PID的多环Smith预估控制

属类：行业术语-中文论文标题-

A device whose output function is proportional to the derivative of the input function with respect to one or more variables, e.g., a resistance-capacitance network used to select the leading and trailing edges of a pulse signal

一种器件,其输出函数与一个或多个变量的输入函数的导数成比例。例如,用于选择脉冲信号的前沿和后沿的阻容网络。

属类：综合句库--

Synthesis of a New Tetrathiafulvalene Derivative

一种新的四硫富瓦烯衍生物的合成

属类：行业术语-中文论文标题-

A white crystalline derivative of choline,C7H17NO3,that is released at the ends of nerve fibers in the somatic and parasympathetic nervous systems and is involved in the transmission of nerve impulses in the body.

乙酰胆碱一白色晶体状胆碱的衍生物,C7H17NO3,由位于细胞体和副交感神经系统的神经纤维末端释放出来,并涉及身体神经冲动的传递

属类：综合句库--

The Radiographic Evaluation of Enamel Matrix Derivative for the Treatment of Periodontal Intrabony Defect in Human: A Retrospective Study

以牙釉基质衍生物治疗牙周骨内缺损之放射线评估

属类：行业术语-中文论文标题-

Histologic Evaluation of Periodontal Healing in Humans Following Regenerative Therapy with Enamel Matrix Derivative

以牙釉间质做牙周再生治疗之人体组织学评估

属类：行业术语-中文论文标题-

Note that any constant value may be added onto an indefinite integral without changing its derivative . Thus, the indefinite integral of 2x is x2 + C, where C can be any real number.

应注意的是,任何常数的值可以加入不定积分,而不改变它的导数。因此,2x的不定积分是x2+C,C可以是任何实数。

属类：自然科学-数学-