Objective The aim of this study was to compare the effectiveness of dynamical system cutterbar via nasal endoscope for adenoidectomy by mouth and rout curettage of adenoids.
目的比较鼻内镜下经
系统
割器
体除术与常规体刮除术的疗效。
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But if they co-evolve, it's a really complex dynamical system where everything becomes much more difficult from the perspective of SETI, of looking out there and trying to figure out which ones are actually producing life.
但如果它
同演化，那将是一个非常
动态系统， 在寻找外星生命时， 从SETI角度来看， 一切都变得更加困难，很难判断哪些星球实际上产生了生命。
