由于棉花耐旱性状的复杂性和缺乏有效的选择手段，常规育种对棉花耐旱性的改良进展较慢。
The Conventional cotton breeding method is very difficult to conquer the trait because of lacking of special germplasms.
世卫组织家用能源数据库被用来监测向更清洁燃料以及改良炉灶过渡方面的全球进展，同时还有助于评估家庭能源带来的疾病负担。
The WHO household energy database is used to monitor global progress in the transition to cleaner fuels and improved stoves and to contribute to assessments of disease burden from household energy.
本文就以上几个方面的进展评述了水稻稻瘟病抗性的分子改良策略。
This paper summarised the research progress mentioned above and discussed the molecular strategies for rice blast resistant improvement.
综述了利用外源基因导入手段进行棉花纤维品质改良的相关研究进展，旨为棉花分子育种研究提供帮助。
The research progress of cotton fiber quality improvement using exogenous genes was summarized to provide help for cotton molecular breeding.
近百年来我国的棉花品种改良工作取得了重大的进展。
Great advances in cotton varietal improvement were made during the last century in China.
基因技术的研究取得巨大进展，对以改良为目的的克隆和身体改造的深刻领会带来了负责任的、有道德的效用。
Tremendous genetic advances were made and a great understanding of cloning and adjusting physical limitations for betterment came in responsible, ethical utility.
综述了大麦酸铝毒害及其遗传改良研究进展。
In this paper the current advances in the studies on aluminum toxicity and inheritance improvement in barley are reviewed.
综述了植物转基因的一般方法和蔬菜转基因研究在抗病毒、抗虫、抗除草剂及品质改良等方面的进展和现状。
The paper introduced several methods of transgenic technique and current advance and prospect of study of transgenic technique on resisting to virus and pests and herbicides.
随着现代分子生物学技术的飞速发展，通过基因工程技术改良农作物抗旱耐盐性工作取得了很大的进展。
With the rapid development of modem molecular biology, the great progress has been achieved in improving crop drought and salinity tolerance by genetic engineering.
本文总结了近几年在稻米主要营养成份含量及其遗传与改良方面的研究进展。
Recent progress in the genetic diversity of the nutrient compositions and the improvement of nutritional quality of rice were summarized in this paper.
综述了果酒生产中酵母的种类及其作用和我国在果酒酵母分离筛选、驯化和品质改良方面的进展。
This paper summarized main sorts of yeast in wine making and its function, the advantages in the breeding selection, domestication and characteristic improvement of wine yeast in China.
本文从面条煮面品质鉴定方法、面条品质与小麦（面粉）品质的关系和小麦面条品质遗传改良等方面阐述了国内外小麦面条加工品质研究进展。
The study on noodle industrial quality were reviewed, including testing method, the relationship between wheat (flour) quality and noodle quality and genetic improvement of noodle wheat varieties.
由于该病病原菌存在多个种和小种以及对该病的抗性呈数量性状遗传，因此通过育种途径来改良抗性进展缓慢。
Due to the existence of multiple species and RACES, and the quantitative inheritance of resistance, breeding for resistance to the pathogen has been slow.
长期以来用常规的育种方法改良稻米中的赖氨酸含量水平，未取得显著的进展。
For a long period of time conventional rice breeding has achieved little progress in improving rice quality.
从改良结构形式和传动方式两方面介绍了卧式螺旋卸料沉降离心机节能降耗的研究进展，并进行了讨论。
Technologies of energy saving from the aspects of structural design and driving system of screw decanter are reviewed. Some discussions are given.
从改良结构形式和传动方式两方面介绍了卧式螺旋卸料沉降离心机节能降耗的研究进展，并进行了讨论。
Technologies of energy saving from the aspects of structural design and driving system of screw decanter are reviewed. Some discussions are given.
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