查询词典 three-dimensional

The discussion of the fourth kind of quadratic equation , the use of "rule of three", the calculation of number r and some terms Algebra can be found in Indian classics introduced to Arab and some of these mathematical knowledge maybe comes from China (such as "rule of three").

花拉子米对第四种二次方程的讨论，使用的"三率法"，对圆周率的计算以及某些术语可以在早期传入阿拉伯的印度典籍中找到出处，而在这些数学知识中有一些可能是远源于中国的。

But research has shown that the first three minutes of a plane flight and the last eight — this is called the rule of plus three/minus eight — are when about 80% of airplane accidents take place.

但是，有研究表明80%空难事故发生的时间是在飞机飞行中前三分钟和最后八分钟--被称之为+3/-8规则。

The whole thesis is divided into nine chapters, its first six chapters focus on the analyses of terrorism, then the last three chapters turn to studying a new thinking of international cooperation against terrorism On the analyses of the part of terrorism with the first three chapters, I define terrorism as follows: Terrorism is a kind of action or thought in which it is the intentional use of, or threat to use ruleless violence or technical methods against civilians or against civilian targets, in order to attain political aims. What differs from other scholars' definitions is that the definition proposed states that terrorism is not only a political violence, but also a social trend of thought.

在前六章的对"恐怖主义"的分析上，本文提出了有别于他人的恐怖主义定义："使用或主张使用无规则的暴力或技术手段，或是袭击平民和或是袭击公用设施，以图达到政治目的的一种行为与社会思潮"，认定恐怖主义不仅是一种政治暴力行为，更是一种社会思潮；还对自杀性恐怖主义、恐怖主义的类型和划分、恐怖主义的历史与发展历程、恐怖主义形成的机理及理论解释等论题进行了较系统的理论探索，分析了伊斯兰原教旨主义与恐怖主义的关系；而且，还根据论文作者本人在国外调研掌握到的大量翔实的第一手资料，揭示了境外"东突"恐怖分子是"国际恐怖主义的一部分"的本来面目，并分析和预测了它们未来的发展趋势，提出了中国反对东突恐怖势力的若干建议。

That's three equations, and in three dimensions x, y, z and I don't have a solution, yet.

那是三维空间x， y，z 中的三个方程，我也仍不知道解答。

And sacrilege, three sinnes in killing three.

和渎圣--杀害三命的三重罪孽。

Three Things A Motorcycle Rider Must Know Before Buying A Motorcycle Saddlebag - Three most important things that every motorcycle rider should know before buying a motorcycle saddlebag are the security it provides on the road , the convenience it provide to the rider and the way it looks on the motorcycle .

三件事，一辆电单车骑士必须知道之前购买的电单车 saddlebag -三个最重要的事情，每一个摩托车骑士应该知道，在购买前摩托车s addlebag是安全提供对道路，方便，它提供给车手和途径，看来对摩托车。

this paper analyzes the types and characteristics of the coastal island tourism in Mainland China,studies the three stages and three patterns of its development; based on the analysis and study above, this paper concludes the characteristics, external forms, and problems of safety issue in coastal island tourism in Mainland China, finally, this paper pertinently puts forward the managerial strategies about the safety issue mentioned above.

提要： 本文分析了我国沿海岛屿旅游的类型与特点，总结了我国沿海岛屿旅游发展的三个阶段和旅游发展的三种模式；分析了岛屿旅游安全的特征、岛屿旅游安全表现形态和岛屿旅游存在的安全问题，提出了沿海岛屿旅游安全管理措施。

Three new-type charge-transfer salts were synthesized based on the reaction of three kinds of basic dye (crystal violet, safranine T, methylene blue BB, respectively) and tungstophosphoric acid of Keggin structure.

报道了用Keggin结构的磷钨酸与碱性染料结晶紫、碱性藏红T和碱性湖兰BB反应形成的3种新型电荷转移盐。

By using high performance liquid chromatographycombined withthin-layer chromatography,three PG:salicin,salicortin and deltoidin weredetected in the bark of P.deltioides,Five kinds of PG were detected in the leaves,which included trmuloidin and tremulacin besides the three PG.

采用薄层色谱与高效液相色谱法相结合的方法，在实验材料的树皮中测定到三种主要的酚甙类物质：水杨甙、柳皮甙和美洲黑杨甙，在叶片中测定到5种酚甙类物质，除上述3种物质外，还包括2′-苯甲酰水杨甙和颤杨甙，对于后两者在前人的研究中未见报道。研究还对5种化学物质进行了分离。

With saltpeter, sulfur and charcoal made from these three kinds of material mixed, but when people have these three kinds of things as the treatment of drug, so the name "gunpowder", meaning "fire medicine."

火药 用硝石、硫黄和木碳这三种物质混和制成的，而当时人们都把这三种东西作为治病的药物，所以取名"火药"，意思是"着火的药"。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失