诉讼时效期间的中断

A. 应使施入的无机肥在水体表层，停留的时间尽可能长
B. 应使施入的无机肥尽可能快的沉入水底，以延长肥效
C. 施用固体肥料时要先行溶解
D. 施肥应选择天气晴朗，光照好的时间进行

A. 韦利斯误听
B. Schwartze征
C. 卡哈切迹
D. 复听
E. 以上均不对

A. multiple layers of firewalling
B. a method of operating firewalls from multiple vendors
C. firewall connections in either an active or standby state
D. an architecture in which all traffic between firewalls goes through application-specific servers
E. an architecture in which all traffic between firewalls goes through application-specific gateway