steppa干草原
stepn.步骤;台阶;舞步;步伐v.踏;以步测量
step by step integration method逐步积分法
step-by-step call indicator[计] 步进呼叫指示器
step of continuous construction流水步距
Step up to its responsibilities担负起责任
Step resistance type wave guage阶段抵抗波浪计
stepwise discriminatory analysis逐步判别分析
stepwise addition polymerization逐步加成聚合
step-by-step synchronization按步同步