The ecological balance is the instinctive movement of the ecosystem by "self cause, self conduct, natural presence, and self existence".

生态平衡是生态系统“自因、自为、自然、自在”的本能运动。

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Probed into principle, procedure and measures of training cost control in training program development to realize optimum benefit and final target of self existence.

探讨了培训项目开展过程中培训成本控制的原则、程序和措施，以达到经济效益最优化，实现自立生存的最终目标。

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In such city public places, people feel difficult in recognizing physical Spaces and the cultural characteristics for self existence. Consequently, they feel puzzled and lost.

在这样的城市公共空间中，公众既无法识别物理空间环境，也难以感知自我存在的文化特征，以至最终感到失落与茫然。

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He tested the free-diving self-propelled submersible - one of only two in existence at the time - on increasingly deep dives off the California coast.

VOA: standard.2010.06.21

And they are often conjured into existence by self-important managerial types who consider it their actual full-time job to attend meetings.

FORBES: Boycott A Meeting Day Is A Revolutionary Idea

The secret to packing that much information on such small real estate--about 15 times denser than the densest data storage device currently in existence--is self-assembly, or tricking the disk's materials into organizing into an array of data-storing dots packed far tighter than what could be accomplished with current techniques.

FORBES: Magazine Article

As her article was hitting the presses, the Obama administration had already begun openly denying the existence of one of her self-proclaimed great achievements in office.

CENTERFORSECURITYPOLICY: Livni��s loyalties