The objective reason is related with the nature of the class in which art was placed during the transitional period in the 19~(th) century.

并进而指出，造成马奈绘画存在该种缺憾的根因包含着主客观两个方面：客观上与19世纪社会转型期艺术被赋予的阶层属性相关联；

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Various natural fractures are the objective reason of leakage in carbonate reservoir, while the tools vibration, stress release and induced fractures are the external reasons of leakage.

天然裂缝发育是工区碳酸盐岩储层漏失的客观原因，钻具震动、应力释放、诱导裂缝是产生井漏的外部原因。

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The reason for that second objective is also the reason for thinking 2011 might, in the history books of the future, be seen as the year when the space cadets' dream finally died.

未来史书把2011年看作是“太空爱好者”梦想破灭的一年，理由与上述第二个目标的理由相同。

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The reason for that second objective is also the reason for thinking 2011 might, in the history books of the future, be seen as the year when the space cadets' dream finally died.

ECONOMIST: Inner space is useful. Outer space is history

Objective factors may not be the only reason for the pay difference, however.

FORBES: Female Doctors Face A $2.3 Million Wage Gap

Still, for those willing to be objective about Obamacare, there is good reason to suggest that the added regulatory review instituted by the ACA seems to be paying dividends.

FORBES: Health Insurance Company Requests For Double Digit Premium Increases Plummeting-More Proof Obamacare Is Working?