single map单张地图singleadj.单一的；单个的；特指某人或某物；单身的；单人的；单程的n.单程票；单曲；单人房间；单身者；<美>一元纸币；(网球)单打比赛；(板球)一分打；(棒球)一垒打v.挑选(一个)single-thread milling cutter单头螺纹铣刀single acting centrifugal pump单动式离心泵Single solider antitank rocket单兵火箭弹single reduction helical gears单级减速斜齿轮Single hit multi target theory单击多靶学说single and double prepositions单双重介词single-spike traveling waves单放电行波single naso-feeding quantity单次鼻饲量single stand cold rolling mill单机架冷轧机single-speed floating action单速无定位作用

1. A textbox field allows a customer to enter a single line of freeform text.
   文本框字段能够让客户输入单行的任意文本。