The induced disease appears as the difference of emergence rate by artificial inoculation in glasshouse, indicate the lose of sprouting ability and pre-emergence damping off.
在温室病原诱发接种条件下，发病表现为出苗率的差异，即丧失发芽能力或出苗前的猝倒。
Biological activities of a herbicidal compound JS913 to barnyard grass and corn in soils with different sand or water content were studied by pre-emergence watering application method.
采用浇灌法分别测定了不同土壤含沙量和含水量条件下JS913对稗草的除草活性和对玉米的安全性。
The major difference this year is the emergence of additional iPhone competitors, including Palm’s Pre.
今年市场上最大的不同在于出现了更多的iPhone竞争者，其中包括Palm Pre。
The H1N1 pandemic was characterized by the emergence of a new influenza virus to which many people had no pre-existing immunity.
H1N 1流感大流行的特点是出现新的流感病毒，而许多人对其并没有预先存在的免疫力。
Therefore the deficiency of pre-Cambrian fossil and the sudden emergence of Cambrian trilobite are like a double edged sword posing threat for the very foundation of Darwin evolutionism.
因而前寒武纪化石的缺失和寒武纪三叶虫等突发式出现，好象一把双刃剑，对达尔文演化学说的塔基构成了威胁。
Private school was the main organization of social education and talent-fostering in pre-Qin society, whose emergence had its own profound social and historical roots.
私学，作为先秦社会教育和人才培养的主要承担者，它的产生有着深刻的社会历史根源。
Private school was the main organization of social education and talent-fostering in pre-Qin society, whose emergence had its own profound social and historical roots.
私学，作为先秦社会教育和人才培养的主要承担者，它的产生有着深刻的社会历史根源。
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