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Based on the findings and some advanced experience from developed countries, this paper gives out some policy advice. For instance, the central government should set the elementary education fiscal investment as a fixed proportion to local GDP; the provinces with population outflow should get some inter-governmental grants to encourage the development of local elementary education. In the trend of fiscal decentralization, this paper is trying to figure out a trade off between the efficiency and the fairness of elementary education.

在此基础上,本文通过借鉴发达国家对于基础教育财政投入的经验,提出了设定基础教育财政占地方GDP的比例,根据人口流动特征对人口流出省进行基础教育经费补贴等政策性建议,以期能够探索性地提出一些政策思路,力图在教育财政分权的过程中,在基础教育的办学效率和公平之间找到一种更为有效的平衡。

Some important factors in finite element analysis, such as the quality of meshing andtime-step, are studied and analyzed deeply, which is the base of correct finite elementcomputation.

对影响有限元分析的有关重要参数(如,网格尺寸、网格比例、时间步长等)进行了深入的研究和讨论,为正确地进行有限元计算提供了重要依据;在模型验证的基础上,分别利用模拟器对裂缝半长、导流能力对产能的影响进行了模拟研究,得出了有意义的结论。

According to several years practice, comprehensively sum up measures of forcing culture technology of scale and dwarf on potted Bougainvillea as: a propagation of cuttage, which choose a mixture of 50%peat, 33% vermiculite and 17 sharp sand as cutting soil, and choose a semi-wooden shoot cut into 5~10cm length with 2~3 leaves as cuttings then touch 1% AA root powder, is lower cost and higher survival rate than that of tissue culture; Bougainvillea growth can be efficaciously regulated by pruning and using 2~5g/L PP333; bougainvillea can be induced to flowers by spraying 2.5~4.0g/L B9 and administering no more 11 hours daylight every day continuously; the florescence can be more prolonged about 20 days by spraying 50mg/L NAA while selling; and prevention and cure of pest and disease, etc.

根据多年的生产实践,从科学育苗、栽培管理、售前处理和病虫害防治等方面综合总结了叶子花的规模化矮化促成生产技术措施:选择泥炭土、蛭石和黄沙按3:2:1比例混合均匀的扦插基质,采用半木质化当年生枝条,剪成5~10cm长的2~3叶节一段,沾染1%自制生根粉的扦插育苗较组培育苗成本低,成活率高;结合修剪用2~5g/L的多效唑进行叶面喷洒能有效控制生长,矮化植株;选择2.5~4.0的丁酰肼叶面喷洒和每天保持不多于11h的短日照处理,能有效促进开花;销售前全株喷洒脱50mg/L NAA可延长花期20天左右;整个生产过程加强肥水管理、温湿度控制和环境清洁能有效防治病虫害发生。

The main contributions of this paper include,(1) introduces the backtracking mechanism into traditional GEP methods and proposing a new algorithm named GEP with backtracking strategy.(2) Proposes the concept of Backtracking Checkpoint and designing Geometric Proportion Increased Checkpoint Sequence and Accelerated Increased Checkpoint Sequence to restrict the backtracking process.(3) Extends the GEPBS algorithm by introducing a Retrogression Factor to control the percentage of backtracking.(4) Proves the effectiveness of the new algorithm by two extensive experiments, which show that new method increases the max fitness by 49.2

本文的主要工作包括:(1)在传统GEP算法中引入回溯机制,提出基于回溯策略的GEP算法(GEP with backtracking strategy ,GEPBS);(2)提出回溯检查点概念,设计了等比递增检查点序列和加速递增检查点序列用于约束回溯过程;(3)扩充基于回溯的GEP算法,设计了退化因子,提出了按比例回溯策略(GEP with proportional backtracking strategy, GEPPBS)(4)通过两个实验验证了新算法的有效性,在相同条件下较传统算法的适应度最大提高了49.2%,成功率最高提高了4倍

On the top of the beauty in histology is the combination of the structure and its function.

从人体细胞形态、切片的色彩、组织结构的形态以及层次比例等方面展示了显微镜下的人体组织结构的形态美,人体结构与功能的和谐构成的生命之美是人体组织学美的顶峰。

According to the compared analysis of prevention sulfur deposition during the production of high sour gas well, the key of prevent sulfur deposition and to control sulfur blocking is choose right element sulfur, carry out some research on the selection of sulfur solution, remix the triethylenetetramine, diethylenetriamine and monoethanolamine in different ratios, finally formed LJ-1 compounding which is best fit the production of north Sichuan province.

对比分析了多种硫沉积防治方法,防治的关键在于溶硫剂的合理选择,通过溶硫剂优选室内评价实验研究筛选出三乙烯四胺、二乙烯三胺和乙醇胺等三种单剂,按照不同的比例与现场使用的防冻剂乙二醇进行复配,最终形成了适合川东地区高含硫气井的溶硫剂LJ-1合理配方,性能评价实验表明溶硫剂LJ-1溶硫速率快、溶解度高、腐蚀小。

Cluster analysis and two-way contingency table analysis were used to study the ontogenetic variations in the feeding habits of plaice, and the results showed that the feeding activity of plaice did not vary significantly among 7 size classes within the size between 51 mm and 370 mm, but ontogenetic variations were found in the diet composition. In the size class 200 mm, plaice mainly fed on Decapoda and fishes.

通过聚类分析和列联表检验等方法对高眼鲽摄食随体长的变化进行研究,结果表明:体长在51~370mm范围内的高眼鲽的摄食强度没有显著的体长变化,但不同体长组摄食的食物种类有一定差异。200mmm的则主要摄食底层虾类和鱼类,磷虾类所占比例减小。

General hydrology information collecting way can"t satisfy the requirement of present hydropower already, mostly it represents in inaccuracy and unreal time. It enhances inconvenience about flood analysis and decision-making to fight against flood, makes the results inaccurate and postposition, also, the reservoir"s dynamic capacity cant ignore in period of flood.

常规水利资料搜集方式已经不能满足当代水利水电工作的需要,主要表现在它的不准确性和非实时性上,这就给洪水分析、防洪决策等工作带来了很大程度的不便,使得所得的结果不精确和后置,并且越是洪汛期动库容所占的比例越是不能忽略。

Potassium silver cyanide and potassium gold cyanide, which stability constants are very large, were used as the starting materials for the preparation of silver and gold powders. Adjusting the concentration ratio of protective agent to reducing agent and other reaction conditions can control the size, shape and morphology of precious metals nanoparticles.

使用氰化亚金钾和氰化银钾等稳定常数很大的金和银配合物作为制备纳米金粉和银粉的前驱体,控制保护剂/还原剂的比例以及其它反应条件,可以有效地控制粒子的大小、形状以及粒子聚集体的形貌。

In the view option to network game, 80 before choice " wasteful time "," very wasteful money "," let a person easily indulge "," dull " wait for negative pricer to count scale to want apparent prep above the 80 youths after; And 80 hind more apt thinks the net swims is a kind " burgeoning, popular behavior "," means of the socialization that make friend "," regular recreational pattern ".

在对网络游戏的看法选项中,80前选择"浪费时间"、"非常浪费钱"、"容易让人沉迷"、"无聊"等负面评价的人数比例要明显高于80后的年轻人;而80后更倾向于认为网游是一种"新兴、流行的行为"、"交友社交方式"、"正常的娱乐的方式"。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力