injective homomorphism内: inner; inside; within射: shoot; fire同: "抓"态: form; condition; appearance满射同态: onto hpmpmprphism; surjective homomorphism下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:内射同态，即可在微信中查询翻译
