Man-machine interface includes small keyboard input, LCD display and data storage.
人机交互界面设计的实现包括小键盘输入、液晶显示和数据存储三个方面。
参考来源 - 智能手持式抄表机的设计与研发·2,447,543篇论文数据，部分数据来源于NoteExpress
However, traditional small-screen input methods, such as the keyboard and stylus, don't always make it easy to navigate and fill in a form.
但是在小屏幕设备上使用按键、手写笔等传统的输入方式使得填写表单变得不是那么容易。
The keyboard of the handset is too small to input conveniently with whatever input method.
那么小的手机键盘，什么输入也不会方便。
One program in which the data are input through keyboard, is applicable to only a few experimental data, crystal lattices known or small number of phases.
一种是通过键盘输入数据后微型机进行比较校核，这种程序适用于实验数据少，晶体点阵已知或物相数量少的情况；
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