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1·Its principal constituent is anthocyanin.

其主要成份为花青素。

2·Need and motive is the principal constituent of a person's initiative.

人的积极的心理构成主要是需要和动机。

3·Tempering is possible because of the instability of the martensite, the principal constituent of hardened steel.

由于马氏体这一淬硬钢主要成分的不稳定性，使得回火成为可能。

4·The findings indicated that the principal constituent of this strain producing gelatinous membrane is bacterial cellulose.

研究结果表明该菌所产凝胶膜的主要成分是细菌纤维素。

5·Modern times medical research proof, in honey principal constituent glucose and fructose, very easily by human body absorption use.

近代医学研究证明，蜂蜜中的主要成分葡萄糖和果糖，很容易被人体吸收利用。

6·The placental globulin is withdraws from the healthy parturient woman's placenta makes, its principal constituent is the gamma globulin.

胎盘球蛋白是从健康产妇的胎盘中提取制成的，其主要成分是丙种球蛋白。

7·OBJECTIVE To investigate the identification of principal constituent of the fever-relieved and pain-relieved drugs by Handheld Raman Spectrometer.

目的研究便携式拉曼光谱仪对解热镇痛类药品主成分的识别能力。

8·Now some hotels with the solidified alcohol, the principal constituent are still the ethyl alcohol, the supplementary material also do not have the injury to the body.

现在有些酒店用固体酒精，主要成分依然为酒精，辅料对身体也没有伤害。

9·The floor cavity packing light quality padding, the principal constituent for the cement, the foaming agent, its function is: Enhances the floor intensity, rigid bearing capacity.

地板内腔填充轻质填料，主要成分为水泥、发泡剂，其作用为：提高地板强度、刚性承载能力。

10·The effect of constituent variations is the principal problem for nuclear analysis.

成分的影响是核分析的主要问题。