swither

1.Leonard swithered as to whether he should enter the arts or commerce.

伦纳德对自己究竟是应该进界还是进商界犹豫不决。

2.The paper analyses a digital swither overload control strategy using a GSPN model.

文使用广义随机Petri网对一个换机的过载控制模型进行了分析。