不同观测时段
different observation period
相同点与不同点
similarities and differences
El Nino的不同类型
different categories of El Nino
ZG乐观不可否认协议
ZG optimistic non-repudiation protocol
鞍-结点不变圈
Saddle-node invariant loop
包容不同意见
tolerate diversity and dissent
饼肥与无机肥的不同配比
Different ratio of cake fertilizer and inorganic fertilizer