early period of origination是什么意思

用法例句

Preliminary Study on Disease Species and Occurrence of Polygonatum sibiricum Delar.in Guizhou;

贵州黄精病害种类及发生情况研究初报

A preliminary study on the occurrence and epizootics of two natural enemies of cereal aphids in Tai an;

泰安郊区小麦田蚜虫两类天敌发生与流行的初步研究

Study on the Occurrence of Wolly Apple Aphid in Shanxi Province;

检疫性害虫苹果绵蚜在山西发生危害的调查与研究

The Relationship between Catechol-O-Methyltransferase (COMT) Polymorphisms and the Development of Breast Cancer;

COMT基因多态性与乳腺癌发生及发展相关性探讨

Advance on development and analysis on economic outlook of blood cells in teleostean;

硬骨鱼血细胞发生的研究进展及经济前景分析

Influence of Environmental Conditions upon Development of Phytophthora Root Rot of Soybean Seedling;

环境条件对大豆幼苗疫病发生的影响

Melanin Genesis of Taihe Silkie Chicken During Embryonic Period;

泰和鸡黑色素的发生初探

The organ genesis and formation of Coelomactra antiquata;

西施舌器官的发生和形成

Objective:To explore relationship between the level of plasma soluble CD44S、CD44v6、v7 v8 variant and the genesis and the metastasis of four types of lung carcinomas(SCC、ADC、SCLC、BAC).

探讨血浆中可溶性 CD44标准型、v6和 v7- v8变构体的表达水平与四类肺癌的发生和转移的关系。

Research on Occurence and Control of Whiteflies in the Greenhouse in Xinjiang of Southern Shanxi Province,China;

新绛县温室蔬菜粉虱的发生及防治

Study on Occurence and Control of Shoot oriented Bamboo Pests;

笋用竹病虫害发生与防治的研究

Studies on Occurence and Control of Diocalandra sp;

甘蔗斑点象的发生与防治研究

The Generation and Control of the Maize Head Sumt and Research on the Disease Resistance Breeding;

玉米丝黑穗病的发生与防治及对抗病育种的一些探讨

Generation and Chemical Control of Pear Sucker;

延边地区梨木虱的发生及药剂防治

The generation of human aesthetic psychology, closely related to the natural environment,was prec.

自然环境与人类审美心理的发生具有极为密切的关系。