一字棋;
例句:
Let's play tic – tac – toe.
让我们来玩井字游戏.
The photoelectric characteristics of conducting polymer MEH-PPV film were studied using contact potential difference ( CPD ) method.
用接触电位差 ( CPD ) 方法研究了导电聚合物MEH-PPV薄膜的光电特性.
Pulse is photoelectric isolation static idle contact form output.
脉冲是光电隔离的静态空接点形式输出.