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Plant alkaloids, which constitute one of thelargest group of natural products, provide many pharmacologically active compounds.

生物碱组成了植物最大的一类天然次生代谢产物，提供了许多具有药用活性的化合物。

Similarly, the fact that an article has been prepared to closer tolerances than those specified in the monograph does not constitute a basis for a claim that the article "exceeds" the Pharmacopeial requirements.

类似地，一个已制备好的物品与那些各论中规定的物质相比更接近允许偏差的事实，不能说明物品超过药典规定。

The existence of compendial limits or tolerances does not constitute a basis for a claim that an official substance that more nearly approaches 100 percent purity "exceeds" the Pharmacopeial quality.

药典限度或允许偏差的存在不能说明一个接近100%纯度的法定物质是超过药典的质量。

Geological and physiographical formations and precisely delineated areas which constitute the habitat of threatened species of animals and plants of outstanding universal value from the point of view of science or conservation

该国将为此目的竭尽全力，最大限度地利用本国资源，必要时利用所能获得的国际援助和合作，特别是财政、艺术、科学及技术方面的援助和合作。

Scales and arpeggios constitute a large part of piano playing, and the technique required in this activity takes care of a major share of pianistic problems.

音阶与琶音是钢琴弹奏的重要组成部分，音阶与琶音所要求的弹奏技巧问题，是钢琴演奏家面临的主要问题。

Eccrine and apocrine glands and ducts and pilosebaceous units constitute the skin adnexa.

皮肤附属器包括小汗腺、顶泌汗腺及其导管和毛囊皮脂腺单位。

This Father of light together with the light-air and the light-earth, the former with five attributes parallel to his own, and the latter with the five limbs of Breath, Wind, Light, Water, and Fire constitute the Manichan pleroma.

这个父亲的光与光的空气和光的地球，前5个属性平行他自己，后者则与5四肢呼吸急促，风，光，水，火，构成了

As you may remember, a High Court judge ruled only last summer that the Pringle, containing as it does less than 50% potato matter and formed into an entirely artificial shape, does not constitute a crisp - which would attract VAT.

如你所知，由于品客薯片的马铃薯含量低于50%，而且其形状完全是人工制品，最高法院的法官在去年夏天裁定品客薯片不是油炸薯片--这使得要支付增值税。

From the point of view of the reality, gathered nude chat and profited nude chat should constitute the crime of organizing pornographic performances and the crime of gathered pruriency.

网络裸聊是一种新型网络视频交流形式，从实然的角度看，聚众式裸聊和牟利式裸聊应当构成组织淫秽表演罪和聚众淫乱罪。

On the base of structure and constitute analysis of organic chromium of nicotinate chromium and 〓, which all have evidently biological function, it reports the preparation of the first type of four kinds new organic chromium complexes . H〓O,. H〓O,,, in which Salen schiff base ligand and nicotinate or isonicotinate, or pyromucate, or benzoate ligand are contained simultaneously.

根据具有明显生物学功能的有机铬——烟酸铬和〓配合物的组成及结构特征，合成了第一类四种含有希夫碱Salen配体和烟酸、异烟酸、呋喃甲酸和苯甲酸的有机铬，其组成分别为。H〓O，。H〓O，，。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。