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1·Flavonoids, Phenols and triterpenes are the main constituent exist in Desmodium triquetrum(L. )DC.

葫芦茶中主要含黄酮类、酚类及三萜类等化学成分。

2·Sugar is the main constituent of candy.

食糖是糖果的主要成分。

3·Punctuality is the main constituent of good character.

守时是良好品格的主要组成部分。

4·Side parking lot is the main constituent part of city parking facility.

路内停车是城市停车设施的重要组成部分。

5·The circuit analysis is the main constituent and the foundation of circuit design.

电网络分析是网络设计的主要组成部分和基础。

6·The spinning processing parameters could be optimized by using two main constituent.

利用这两项主成分，可优化细纱工艺参数。

7·Iron minerals are the main constituent of waters, soils, sediments and rocks in nature.

铁矿物是环境水体、土壤、沉积物和岩石的主要组分。

8·To the extent that they did, household spending, the main constituent of GDP, will now be weaker.

此程度之高使得GDP主要组成环节家庭消费支出会变得更加薄弱。

9·Methane (CH4) is the main constituent of natural gas, and is the result of natural decomposition processes.

甲烷(CH4)是天然气的主要成分，是自然分解过程的产物。

10·Chinese calligraphy has become a unique art 1, the main factor is its main constituent material lines.

汉字书画之所以能成为一门独特艺术，主要因素是线条为其主要构成材料。