索尼爱立信的第一任总裁是日本的井原胜美(Katsumi Ihara)，他白手起家成立了这个合资公司，并为公司的整合奠定了基础。

Sony Ericsson's first President, Katsumi Ihara of Japan, built the joint venture from scratch and laid the groundwork for integration.

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免疫防御机制演化出许多不同策略，原核生物运用核酸的限制内切酶、抗微生物胜肽及RNA干扰素作为自我防卫。

The evolution of mechanisms for immune defense has resulted in a variety of strategies. Prokaryotes use restriction endonucleases, antimicrobial peptides, and RNA interference for self-protection.

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