病害消长过程大体有始发期、始盛期、盛发期、停滞期4个阶段。
The disease development process mainly includes 4 stages: beginning period, full incidence beginning period, full incidence period and Stagnant period.
青枯菌检出阳性和根黑色坏死的始发期可作为防治青枯病第一次和第二次施药时期。
The first two periods should be taken as the first and second application time to prevent the tobacco bacterial wilt disease respectively.
苏格兰项目将采用200台机器的一个集群，每台发电量1兆瓦；据期‘牡蛎’到2015年能够开始发电。
The Scottish project will use a cluster of 200 machines that produce 1 megawatt each; the Oysters are expected to start producing power by 2015.
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