条件分布

The conclusion can be drawn that many kinds of Lactic acid bacteria have been found in milk and dairy products in different areas, that some strains have properties of the good adaptation to temperature and pH living medium, and that other strains have the properties of using melezitose, melibiose and raffinose and so on.

研究表明：内蒙古牧区乳及乳制品中乳酸菌的种类多、分布广；有些菌株对温度和pH值等环境条件的适应性强；有些菌株还有较强发酵利用松三糖、蜜二糖、棉子糖等糖的能力。

But due to the complex of natural condition, the un-uniform distribution of rainfall, and the change to ecoenvironment resulted from long-term activities of human being, drought disaster always happens in the region.

然而，由于地形地貌、气候条件的复杂多变，降水的时空分布不均，以及人类的长期干预造成的生态环境的改变，致使该区连年干旱。

However, Many aspects of the problem is unsolved, especially, There is a blank when the random variable Y is a multi-dimension random vector with unspecified distribution and the missing data mechanism can not be determined via a scalar parameter.

第三章问题如下：假定可以知道缺失的数据是否属于本章条件指定的某些区间中，在此前提下，对一维随机变量Y的分布函数F作估计。

The uniformity degree and rank of the population are given to measure the distribution and quality of the solutions in the population based on the characteristic. Using the uniform degree of the population as objective function and the rank as the constrained condition, the bi-objective optimization problem is transformed into a single objective constrained optimization problem. The computational equations of the charge and force exerted on the particles are presented.

针对这一特点，定义了种群的均匀度和序值，来度量种群中解的分布和质量，将双目标优化问题转化为以均匀度为目标函数，序值为约束条件的单目标优化问题；设计了双目标优化问题粒子的电荷和受力的计算公式，提出了一种新的类电磁算法求解问题。

The effect of reactive condition including reactant concentration, reactant time and solvent was studied in detail.

研究了反应物浓度、pH、反应时间、溶剂等反应条件对粒子粒径及分布的影响。

On terms that the metal products were supposed to be scrapped according to the normal distribution with service life,the calculation method for the theoretical value of reclamation resource of depreciated metal was studied for the conditions that the relation between consumption volume of metal and time was linear and quadratic respectively.

在假设金属制品报废概率随时间呈正态分布的条件下，研究了金属消费量随时间变化呈线性函数或二次函数两种情况下，金属折旧再生资源量理论值的计算方法。

In this chapter, firstly, we study the recursive calculation of compound distribution when condition 3.1 is satisfied.

在这一章中，首先，我们讨论了满足条件3.1时复合分布的递推计算。

Studies on basic working principles and designs of fiber lasersThe basic working principles as well as the major characteristics of laser and fiber lasers are firstly reviewed,including the interaction between light and matter, the laser oscillation conditions and the spectrum distribution,the gain characteristic and spatial hole burning effect,the influence of external environment on the stability of laser output and the actual limits of fiber laser bandwidth;The designs of bidirectional single-mode Er-doped fiber ring laser and multi-wavelength laser is then discussed,respectively;The characteristics of dynamic grating reflection spectrum of the fiber saturable absorber is systematically analyzed.?

在激光型光纤传感器的设计、实验现象的理论解释等方面做了如下的研究工作：光纤激光器的基本原理与设计方案概述了激光和光纤激光器的基本原理，包括光与物质的相互作用，激光振荡的条件及频谱分布等激光产生的基本原理：掺铒光纤的增益性质，空间烧孔效应和外界扰动对激光输出稳定性的影响，光纤激光器的实际极限带宽等光纤激光器的相关知识；分别讨论了双向单纵模环形腔激光器和多波长激光器的设计方案；系统地分析了掺杂光纤饱和吸收体中形成的动态光栅的反射谱特性。

In order to study the regularity of soil salt accumulation in plough layer caused by groundwater in the Yellow River Delta, GIS and the fundamentals and methods of geostatistics were applied to regionalize the study area based on the spatial distribution pattern of groundwater table and the criteria of critical water table.

为研究黄河三角洲地区地下水作用条件下耕层土壤的积盐规律，运用GIS和地统计学的原理与方法，结合地下水埋深的空间分布以及临界埋深的划分标准对研究区域进行分区，并从空间尺度对各分区地下水矿化度与耕层土壤积盐规律进行了定量分析。

In order to study the regularity of soil salt accumulation in plough layer caused by groundwater in the Yellow River Delta, GIS and the fundamentals and methods of geostatistics were applied to regionalize the study area based on the spatial distribution pattern of groundwater table and the criteria of critical water table. And for each sub-region, quantitative analysis was performed between groundwater mineralization and soil salt accumulation in plough layer at the spatial scale.

为研究黄河三角洲地区地下水作用条件下耕层土壤的积盐规律，运用GIS和地统计学的原理与方法，结合地下水埋深的空间分布以及临界埋深的划分标准对研究区域进行分区，并从空间尺度对各分区地下水矿化度与耕层土壤积盐规律进行了定量分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。