seamless cloning是什么意思,能不能给科学解释下?

seamless cloning是什么意思,能不能给科学解释下? bearing grade seamless steel tubes是什么管 Casing Plain End Seamless Pipe是什么管? Are you using a cloning utility?是什么 Are you using a cloning utility?是什么 seamless network seamless union是什么意思呀seamless是什么意思 Many people have a hard job seeing the point of reproductive cloning.请问这个句子的seeing the point of reproductive cloning是什么成分? seamless jointing是什么意思 SEAMLESS TUBE11/2是什么意思? the original multifunctional seamless Love not Providence seamless seamless ribbon是什么意思 英译汉 钢材名称钢材名称Round-Hex-Oval,Round-E.T.D及Hollows-H.F.Seamless对应中文名称是什么 seamless machine 各位大哥大姐,弟弟妹妹：SEAMLESS MACHINE cloning technology是什么意思 cloning的意思 cloning怎么读 请问:there are still no forecasts for when human cloning will be perfected.里的when是什么从句?