An urban transportation system is a basic component of an urban area's social, economic, and physical structure.

城市的交通系统是城市的社会、经济和物质结构的基本组成成分。

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Motif as a basic component of a myth is often passed on in a culture and incorporated into different literary works.

母题，是构成神话的基本情节元素，它作为文化的遗传基因，被反复地复制、组合到不同的文学作品中。

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Camera calibration is a basic component of photogrammetry, which becomes more important when general digital camera is employed by surveying workers.

相机检校是航测工作中的基本组成部分，尤其在使用普通数码相机进行测量工作时，检校工作更为重要。

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Many mutual funds use relative strength as a basic component of their screens, and Value Line includes it in their secret ranking system for stocks.

FORBES: Magazine Article

The simple truth is that, whether I like it or not, a majority of my fellow Americans view gun ownership as a basic, elemental component of their American heritage.

FORBES: The Solution To Guns Must Come At The State Level-Not By Executive Order

Pertierra said a 1986 federal law supplies precedent to require completion of a civics component -- such as basic knowledge of English and U.S. history and government -- to grant permanent resident status.

CNN: Immigration pact could carry stipulations