Equal: Every domino half in this space must be the same number of pips.
return _call.call(origSet, this, v);，详情可参考爱思助手下载最新版本
Developer Unlock（开发者解锁）：可以侧载 XAP / APPX 文件，但数量有限；。业内人士推荐WPS官方版本下载作为进阶阅读
Cylindrical "forearms" house small electric motors, known as actuators, which pull on metal tendons that move the fingers with precision.