Plant secondary metabolites is an adaptation of plants to circumstances, and its result of plant interacting with biotic factor and abiotic factor in the permanent evolution.

植物次生物质是植物对环境的一种适应，是在长期进化过程中植物与生物和非生物因素相互作用的结果。

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The world is a compound ecological system, with each main factor mutually contacting and interacting to maintain the harmony of world.

世界是一个复合的生态系统，各要素之间相互联系，相互作用，维持着整个世界的和谐。

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AIM: to investigate the influence of TG-interacting factor (TGIF) on the retinoid signaling pathway in gastric cancer cell line SGC-7901 in vitro.

目的：探讨TG -相互作用因子(TGIF)对胃癌SGC - 7901细胞株中维甲酸信号通路的影响。

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Trower, who's working on Microsoft's own software platform for robotic systems, says this kind of PC bot would serve as a multiapplication communication and work device, but it would have microphones and touch-screens for interacting with humans and the same adaptable and moving form factor as a small robot.

FORBES: Household Robots

Its research teams have been at work exploring new ways of interacting with screens - and what they showed me certainly had the "wow" factor.

BBC: The CES superpowers