可约的

When up to 31th harmonics are analyzed, the calculation time is only 1/82 of theat by the classical Gaussian elimination method.

对于一个周期值事先不知道，在一个周期内有100个采样点的非整周期采样，这个近似方法可使谐波分析的准确度由一般的DFT的10〓量级提高到10〓量级；当分析至31次谐波时，计算时间约为经典高斯消去法的〓，将能满足实际的工程需要。

This is the glory hole belonging to monticello dam in california and it's the largest in the world, its size enabling it to consume 14′400 cubic feet of water every second.

这个光荣之洞是属於美国加州的monticello水坝的，而且是世上最大的。它的超大size可每秒可以吸收14，400立方英尺(约408立方公尺)的水

This is the glory hole belonging to monticello dam in california andit's the largest in the world, its size enabling it to consume 14′400cubic feet of water every second.

这个光荣之洞是属於美国加州的monticello水坝的，而且是世上最大的。它的超大size可每秒可以吸收14，400立方英尺(约408立方公尺)的水

In 1976, the International Astronomical Union revised the definition of the AU for greater precision, defining it as that length for which the Gaussian gravitational constant takes the value 0.01720209895 when the units of measurement are the astronomical units of length, mass and time.

但实际上地球绕日的轨道不是一个圆形，而是一个椭圆形：最初天文单位的定义就是上述椭圆的半长轴的长度。1976年，国际天文学联会把一天文单位定义为一颗质量可忽略、公转轨道不受干扰而且公转周期为365.2568983日的粒子与一个质量相等约一个太阳的物体的距离。

The study indicated that RAPD technique is useful and practical for the identification between gynogenesis fish and hybrid individuals.RAPD and AFLP technique were used to screen the sex-related DNA marker through analyzing the DNA differences between female and male of Jian carp.

通过对反应条件的优化处理，在引物E-ACG／M-CAA的扩增图谱中找到一条雌性特异的DNA条带，分子量约323bp，雄性个体均无此条带，初步发现了雌雄之间的遗传差异，可为建鲤遗传性别的鉴定提供参考；同时发现某些位点在雌性和雄性个体出现的比例存在很大差异，推测与遗传性别有一定的关联。

Mayor said many more planets meeting scientists' requirements for habitability would be found, but that that the most significant short-term discovery would be that of a low-mass planet even more similar to Earth.

梅杰说，将有很多符合科学家对可居住性要求的行星被发现，但最为重大的短期发现为该与地球极为类似的小型行星的发现。581c约为地球的5倍重，但仍是目前发现的最小的外行星。

List (1961), but there are two improvements in it: 1 A refrigerator (about -6℃) and a cooling flow (about -20℃) are adopted for cold environment, so the cutting operation can carry out at room temperatures; 2 For the fixture of hailstone the direct freezing by a semiconductor refri...

这台切片机的功能与List(1961)的相似，但有其特点：1采用了约为-6℃的冷箱和约为-20℃的冷风作为环境冷冻，因而使切片操作可在通常的温度下进行；2对雹块的固夹，用半导体致冷器直接冻住的方法代替了真空吸引。

For a Hall π-subgroup in π-separable group and a given π-Fong character, we show that there always exists a normal subgroup, such that some irreducible constituent of this π-Fong character which restricts on the join of these two subgroups is a π-Fong character associated to this normal subgroup.

对于π-可分群的一个Hall π-子群和一个给定的π-Fong特征标，我们证明了总存在一个正规子群使得这个π-Fong特征标在这两个子群的交上的限制的某个不可约成分是联系这个正规子群的一个π-Fong特征标。

The completely diagonalized Hamiltonian matrices of 3d2／3d8 ion configuration in the trigonal symmetry sites have been established by irreducible representation method. Taken into account microscopic magnetic interactions, the spectral fine structure, local structure and zero-field splitting parameters of V3+:α-Al2O3 and Ni2+:α-Al2O3 crystals are investigated as well as the influence of the doping.

应用不可约张量方法构造了三角晶场中3d2/3d8态离子的45阶可完全对角化的能量哈密顿矩阵，在考虑了微小磁相互作用的基础上计算了V3+：α-Al2O3和Ni2+：α-Al2O3晶体的光谱精细结构、晶体局域结构和零场分裂参量，研究了掺入Ni2+和V3+对α-Al2O3晶体光谱精细结构、晶体局域结构和零场分裂参量的影响。

In chapter three, in order to distinct N 0?matrices that defined by deferent references, we will use the following notions. A matrix is called N_0~2-matrix if the matrix is nonpositive and its all-principal minors are nonpositive.

不可约矩阵Perron余的Perron向量同原矩阵Perron向量有着继承性，另外非负矩阵的Perron余也可用于Perron根的估计，因此非负矩阵的Perron余的研究有着重要的理论价值。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。