instrumentaladj.仪器的；乐器的；有帮助的；可做为手段的n.器乐曲；[语]工具格instrumental variables仪器变量instrumental technique仪表技术instrumental defection制度缺陷instrumental longitude仪器经度Instrumental elevation器械提升instrumental operation自动操作instrumental amplifier仪表放大器instrumental phonetics仪器语音学,工具语音学instrumental seismology仪器地震学instrumental navigation仪表导航