英语词汇“track ball”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	track ball
释义	track ball 基本英英例句 🖲跟踪球名词 trackball: an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screenInput devices include keyboards and pointing devices such as mouse,joystick,track ball, or light pen.输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。
随便看	bounding bar bounding bed bounding board bounding box bounding box coordinates bounding boxes bounding boxes hierarchy Bounding box for all grid vertices bounding box hierarchy bounding boxin computer graphics bounding box test bounding box testing Bounding box tree bounding capacity bounding case bounding charge bounding cycle Bounding depth bounding dislocation bounding effect bounding elasticity modulus bounding erosion surface bounding fault bounding hyperplance bounding hyperplane