The delay was due to human error.

It was an error on my part.

那是我的过失。

There are too many errors in your work.

你的工作失误太多。

However, and steel to become powerful, we to pay an enormous effort.

但要成为钢铁强国, 我们还要付出艰巨的努力.

The question is how will all this new power be managed?

问题是如何控制所有这些新 强国.

I am trying to stop two nuclear powers from going to war over oil!

我正试着阻止两个核强国为石油而战!

The treaty was signed by five powers.

这个条约是由五个强国签订的.

The small country allied itself to / with the stronger power.

小国和强国联盟.

Manufacturing and Application of Methyl Acetoacetate

乙酰乙酸甲酯的生产及其应用

A Study on Asymmetry Reduction of Ethyl Acetoacetate of Bread Yeast in Organic Solvent

面包酵母非水相催化乙酰乙酸乙酯的不对称还原反应

Study on reaction temperature behavior for the synthesis of pseudoionone isomers by methyl acetoacetate method

乙酰乙酸酯法合成假性紫罗兰酮同分异构体温度反应行为研究

A New Synthesis Method of Ethyl Acetoacetate

乙酰乙酸乙酯合成新方法

Africa is not so rich on species, but from a rather small area in East Africa originate the various Saintpaulia, Which as the "African violet" is easily today the most admired little flowering plant in the home of West countries.

非洲的苦苣苔科植物资源并不丰富，但在东非的一小块区域却是各种艳丽的Saintpaulia的原产地，这种苦苣苔又称为非洲紫罗兰，现已成为西方国家室内观赏花卉的重要品种。

Tissue culture and rapid propagation of Saintpaulia ionantha and Caladium bicolor

非洲紫罗兰和花叶芋的组织培养和快速繁殖

Tissue Culture in Vitro and Rapid Propagation of Saintpaulia ionantha

非洲紫罗兰组织离体培养及快速繁殖

The research is helpful to our understanding of effects of Vallisneria asiatica on the environment of water and the possible diurnal variation of phosphorus release in sediment.

试验结果为进一步研究沉水植物对水体中环境因子影响的日变化特征和影响机理，以及底泥磷释放可能存在的日变化具有一定的参考价值。

Influence of silts on growth and development of Vallisneria Asiatica and its leaves' photosynthetic physiological characteristics in Turbid Water

水体泥沙对苦草生长发育和叶片光合生理特性的影响

Studies on Tissue Culture of a Special Aquicolous Vegetable Called Vallisneria Spinulosa Yan

特种水生蔬菜刺苦草组织培养技术研究

Study on Biological Traits of Submersed Plant Vallisneria

沉水植物苦草的生物学特性的研究

Identification of the spectral characteristics of a submerged plant Vallisneria spiralis

大型沉水植物苦草的光谱特征识别

Effect of Water Nutrient Concentration on Photosynthetic Fluorescence Characteristics of Vallisneria natans

水体营养盐质量浓度对苦草光合荧光特性的影响