Specifically, a halfmoon betta must have a caudal where both ends are exactly180 degrees apart or more, spreading towards the front.
具体来说，半月斗鱼一定要具备开展朝向前方，180°
的尾鳍。
Specifically, a halfmoon betta must have a caudal where both ends are exactly180 degrees apart or more, spreading towards the front.
具体来说，半月斗鱼一定要具备开展朝向前方，180°的尾鳍。
Methods The optometer is composed of singlechip, handle and LCD.The eyesight is examined by selecting exposure of random sample eye-chart mark E within direction keys on the handle.
采用微计算机控制视力
，其由单片机、手
和液晶显示屏构成，手具有下左右方向等功能键，根据手的按键选取随机出现视标"E"朝向的正确与否来视力。
声明：以
例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
