四元的

The discovery of quaternion is an importance event in the history of math.

四元数的发现是数学史上的一个重大的事件。

The purpose of this paper is to estimate the eigenvalues of square quaternion matrices.

估计定理，在估计定理的基础上提出了对角线元素是实数的四元数方阵的特征值。等式

It holds for the integers with addition and multiplication, but it does not hold for matrix multiplication or quaternion multiplication .

它所拥有的整数加法和乘法的，但是它并不拥有的矩阵乘法或四元数乘法。

The attitude updating accuracy of quaternion algorithm and equivalent rotating vector algorithm was compared.

对四元数法和等效转动矢量法的滚转弹姿态解算精度进行比较，并通过打击机动目标的仿真试验验证了姿态解算精度对制导精度的影响。

Using extensie MS, U, and NMR spectral analyses, the structure has been established as compound 1, aureoerticillactam, a 22-atom macrocyclic lactam incorporating both triene and tetraene conjugated olefins.

运用包括质谱、紫外及核磁共振的多种光谱分析，解析确定了该化合物1的结构，是一个含有共轭三烯和共轭四烯的22元环大环内酰胺。

Using extensive MS, UV, and NMR spectral analyses, the structure has been established as compound 1, aureoverticillactam, a 22-atom macrocyclic lactam incorporating both triene and tetraene conjugated olefins.

运用包括质谱、紫外及核磁共振的多种光谱分析，解析确定了该化合物1的结构，是一个含有共轭三烯和共轭四烯的22元环大环内酰胺。

At present, the bacteria invented by genetic engineering methods are E.coli KO11, K.oxytoca P2 and E.chrysanthemi which are capable of changing binary sugar and ternary sugar into alcohol (90％ of the theoretical change rate) and fermenting quarternary stachyose.

目前研究出的基因工程细菌有E.coli KO11、K.oxytoca P2和E.chrysanthemi，具有将二元糖和三元糖转化为乙醇的能力，接近理论转化率的90％，还能发酵四元水苏糖。

Quaternions are a compact, unintuitive way of representing rotations.

四元数是表现旋转的结实的、非直观的方法。

In this paper, we finish a pipelined adc by 4 stages, 8 bits ADC architecture with 50MHz sampling rate.

在本论文中，我们提出了一个 50 M-Samples/sec 的取样频率、8-bit 的取样位元的四段式类比数位转换器设计架构。

Must not by in front the ability place of seal animal puzzles, not easily a person challenges animal of 4 yuan of gods, this collected chiliad spirit to enrage those who be an organic whole is culminating strange animal is having extremely powerful force, general need adds up to the power ability of everybody to beat it.

千万别被前面封印兽的能力所迷惑，不要轻易一个人挑战四元神兽，这个聚集了千年灵气为一体的终极怪兽有着极其强大的力量，一般需要合众人之力才能将它击败。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。