pre emergence的意思|示意

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。

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 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。