改良

His researches in the fields of electromagnetism and the kinetic theory of gases laid the foundation for the work of other scientific giants such as Einstein

真空瓶的发明缘于他对低温下气体形态的研究，而无烟炸药更是他在诺贝尔的发明上的进一步改良。

His researches in the fields of electromagnetism and the kinetic theory of gases laid the foundation for the work of other scientific giants such as Ei tein

真空瓶的发明缘于他对低温下气体形态的研究，而无烟炸药更是他在诺贝尔的发明上的进一步改良。

In present research, we cultured Physcomitrella patens＇s tine of stems on the improved medium Knop plus different kinds and concentrations of plant hormones, at temperature （ 25 ± 1 ）℃, light intensity 3000 -40001x, and 12h day/ 12h night.

本实验以改良的Knop培养基为基本培养基，研究添加不同种类和浓度配比的植物激素对小立碗藓愈伤组织诱导及分化的影响。

The spores of Neocheiropteris palmatopedate were cultured in improved Knop's medium, in-situ humus soil and red soil respectively. Spore germination and gametophyte development were observed under optical microscope and dissecting microscope, and the impact of four culture methods on the gametophyte development and sexual reproduction was compared. On these experiments, its cause of endangerment was analyzed.

采用改良Knop's固体培养基、原生境腐殖质土和红壤分别培养扇蕨孢子，光学显微镜及解剖镜下观察记录其于包子萌发及配子体发育过程，比较了3种培养方法对其配子体发育和有性繁殖的影响，并在此基础上探讨了扇蕨的濒危原因。

Abtract: Development of Kudzu vine noodles and the quality improving measures were study in this paper.

本文探讨了葛粉面条的研制及其品质改良措施。

In order to become the leading industry to create competitive industries, Long Island County, Laminaria germplasm continued to improve and promote the breeding of new technologies on the fuss.

为将这一主导产业打造成为优势产业，长岛县不断在海带的种质改良和养殖新技术的推广上做文章。

By 1991, the tax rate on land was more than five times the rate on improvements.

到1991年，土地的税率是改良土地增值税税率的5倍还多。

If the children invest their fortunes in a productive employment, or the mortgagee on being paid off lends the amount to another landholder to improve his land, or to a manufacturer to extend his business, it is still capital, because productively employed.

如果其子女把所得到的财产投资于生产，或者收回贷款的债主又把这笔钱借给另一个土地所有者去生产，或者收回贷款的债主又把这笔钱借给另一个土地所有者去改良土地，或借给制造商去扩充其业务，这笔钱就仍然是资本，因为用在了生产方面。

As a landowner, he was actively interested in agricultural improvements.

作为土地所有者，他对于农业方面的改良怀有浓厚的兴趣。

Of land improved by gardening or landscape architecture.

通过园艺或者造园术进行改良。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！