telescopic diffraction远: far; distant; remote焦: burnt; scorched; charred衍射: diffraction; inflection近焦衍射: microscopic diffraction聚焦衍射计: focusing diffractometer; focusing diffratometer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:远焦衍射，即可在微信中查询翻译
