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We drew a conclusion that the change of contents in enamel and crystal orientations and partial decomposition of the organic matrix might be the main reason for enhancing acid resistance.

认为激光对牙釉质表面处理后，牙釉质所含成分的变化和晶柱取向的改变以及有机基质的部分分解是牙齿抗酸能力提高的主要原因。

This paper aims to explore the orientations of teachers' critical consciousness in curriculum, and its pedagogical implications.

本文主要探讨教师课程批判意识的内涵，并藉由这些内涵的建构提出其在教学上的启示。

The fact that the orientations of the two schools tend to become ambiguous implies the penetrating power of Chinese tradition of popular cult and sacrifice.

风水流派意识在民间走向模糊化的趋势，也意味着中国的神灵与祭祀传统具有顽强的渗透力。

Chloroplasts also show phototaxis,and take up specific orientations in relation to the direction of the incident light.

叶绿体也显示出趋光性，依据入射光的方向来调节其特殊方位。

Furthermore, for the domain structure and the symmetry of domain boundary of this material, analysis of group theory has been made, and the numbers of orientation states of domains, plane indices of domain boundaries and the types of domain boundaries are in agreement with the orientations and types of domain boundaries in tetragonal phase of BaTiO〓 listed by Fousek.

同时，对这种材料中的畴结构及其畴界对称性进行了群的分析，由此所确定的畴取向态数，畴界面指数以及畴界类型与Fousek等根据弹性相容性条件所列出的钛酸钡四方相中畴界类型和取向完全吻合。

The locations and orientations of the Subantarctic Front, the primary Polar Front and Southern ACC Front in the ACC of the Southeast Indian Ocean can be identified more precisely by the current distribution derived from ADCP data than by hydrographic data, because these fronts are usually accompanied by strong currents, although the speed coinciding with the SACCF is less than that of the SAF and primary PF.

在东南印度洋远离海脊和海台的深海盆以及海脊和海台的走向与ACC主轴平行的海域，高涡动能主要由周期大于90天的变化产生。SAF在东南印度洋没有一致的季节变化。

The crystal structure of trioxane was accurately determinated. By using the crystal structure model of trioxane, the ring-opening polymerization mechanism of trioxane by γ-irradiation may be fairly well explained. Polyoxymethylene obtained by solid state polymerization of trioxane may have two types of molecular chains with different orientations, one parallel to the C...

我们精确测定了三聚甲醛的晶体结构，利用三聚甲醛晶体结构模型，可以很好地阐明三聚甲醛在受到γ射线辐照后开环聚合的机理，由三聚甲醛晶体固相聚合得到的聚三聚甲醛，应该有两种不同取向的分子链，一种与三聚甲醛的c轴平行；另一种与c轴成75°37′的交角。

The result shows that: with the expansion of teacher education space, the reform and development of Chinese teacher education is much closer or equal to that of the international teacher education. The transitional stage and education reform in China puts forward a new demand for P. E. talents. The innovation as to education object, specification and curriculum arrangement raised in P. E. Curriculum Arrangement for Chinese Universities with four-year Program published in 2003 meets such a demand, and narrows the gap of education development in high P. E. academy between China and foreign countries. P. E. teachers abroad are usually cultivated by comprehensive universities, the cultivating objectives are verified, and generalists adapted to social development are emphasized. Cultivating mode abroad are various, with "open-type" or "non-directional type" as the main mode, and 4-year program, 5-year program, and 3-year program serve as the main form of education system. Curriculum arrangement abroad stresses general education, with foundationalization, normalization, objectification, optionalization, miniaturization, internationalization and syntheticalization as its characteristics and it employs credit system. The close-typed cultivating mode of P. E. academies in China should be gradually transformed into open-type or multi-type, cultivating generalists instead of specialists, and further constructing a new one with several cultivating types co-existing. Orientation of P.E. teachers in China should follow standard principle, coordination principle, experience principle and resource principle. To improve P.E teacher education in China, the following measures can be taken: relevant laws and regulations should be made for orientation; P.E teachers" training organization should be encouraged to participate in orientation; extension and connotation of P.E. teacher education should be expanded; resources should be optimize; systematic P.E. teachers" orientations should be organized;"Life P.E. Teacher Qualification "should be changed; useful-life should be set for P. E. teacher qualification; P.E. teacher qualification should be regularly authenticated; On-job training of P. E. teachers abroad tends to be systematic, but in China P.E. teachers" on-job training and prevocational training are separated; therefore measures must be taken to change this circumstance and thus speed up the systematic process. Factors concerning constructing a new system of P. E teachers are the following: reconstructing resources, making P.E. teachers" cultivation, orientation and training systematic, establishing a mechanism for encouragement and punishment, making school-based training and college training systematic, and setting up a mechanism combining directional training with non-directional training.

研究结果表明：随着教师教育革新空间的拓展，我国体育教师教育的改革与发展水平逐步与国际体育教师教育发展趋于接轨化。2003年颁布的《全国普通高校体育教育本科专业课程方案》在培养目标和规格、课程设置上的创新性，适应了我国社会转型和教育改革对体育教育专业人才的需求，进一步缩小了与国外高等体育院系教育发展的差距；国外体育教师一般由综合性大学或文理多科性大学培养，培养目标多向化，以培养适应社会发展的通才型人才为主；培养模式灵活多样，多数以"开放型"或"非定向型"培养模式为主，学制多以4年制、5年制、3年为主；课程设置上注重通识教育，突出基础化、师范化、针对化、选修化、小型化、国际化和综合化特点，实行完全学分制的教育管理制度；我国普通高校体育教育本科专业人才培养模式应该由封闭性转向开放式混合型的人才培养模式转变，由专才型转向复合型人才培养模式转变，构建多种类型并存的人才培养模式；我国体育教师入职教育革新应遵循的原则是本位原则、协同原则、经验原则和时间与资源原则，改进措施有：做好入职教育的法规化、制度化建设，激励体育师资培育机构参与体育教师的入职教育，拓展体育教师教育的外延和内涵，优化整合资源，系统组织体育教师的入职教育，改变体育教师资格"终身制"，设定体育教师资格有效期限，推行教师资格定期认证制度等；国际上体育教师在职培训体系显现了体育教师教育一体化的发展取向，但我国体育教师的在职培训与职前培养存在分离性，必须采取改革措施，加速我国体育教师教育的一体化进程；构建体育教师教育新体系的实施要素是：重组资源配置，实现体育教师培养、入职和培训一体化，建立奖惩机制，实现校本与院校培训一体化，建立体育教师定向与非定向培养培训有机结合机制。

The stress-strain relationship has been investigated with reference to the relative orientations of the principal axes of stress and strain, to the connection between the Lode's parameters of stress- and strain-ratios, and also t...

試驗結果并示出：应力应变关系对复杂加載的敏感性似与变形的塑性程度有关：塑性程度愈大时，复杂加載下的实际应力应变关系对形变理論中各項基本假定的偏差似也愈大。

These coatings have been characterized by the state-of-the-art techniques of XRD, nano-indentation, scratch test, SEM, RBS, etc. As the result, it was found that TiN coatings prepared by -100V DC bias are characterized with the (111) preferred orientation and the coatings prepared by pulsed bias with (111),(200) and (220) hybrid orientations.

通过XRD、纳米压痕仪、划痕仪以及SEM、RBS等手段对薄膜的结构和性能进行了测量和分析，结果发现，-100V直流偏压下TiN薄膜有明显的(111)晶面择优取向，而脉冲偏压条件下TiN薄膜为(111)、(200)、(220)混合晶体取向。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。