体力

The study objects of this text are highway and railway tunnel. This text analyze form and mechanism of cause of the tunnel"s disease through knowledge theory such as :rock mechanics, soil mechanics, hydraulics, hydrodynamics, chemistry ,and so on. And combine last criterion, rule and engineering practice, provide the tunnel disease"s the design of prevention and cure, method of construction, new technique, new material, new craftwork. This text provide some advantageous consult values for tunnel prevention and cure.

本文以公路及铁路隧道为研究对象，运用岩体力学、土力学、水力学、流体力学、化学等学科理论，以宏、微观相结合的方法分析了渗漏水、冻害、衬砌裂损及衬砌腐蚀4种常见隧道病害的表现形式、成因机理，结合最新的规范、规则和工程实际给出了隧道病害的防治设计、施工方法以及新技术、新材料和新工艺，为隧道防治提供了有利的参考价值。

Physical demands can cause us to grow stronger. Mental and emotional stress can produce tough-mindedness and resiliency. Spiritual testing can produce strength of character and faithfulness .

体力的负荷可以使我们更强壮，心理和情感的压力可以使我们意志坚毅，具有韧性，精神的考验使我们性格坚强，忠诚守信。

When you haven't been able to do any physical activity for five months, it's only natural to put on weight," admitted the three-time FIFA World Player of the Year."

当你无法做任何体力活动5个月，这只是自然的体重增加，&承认了三次世界足球先生的称号。&

So teaching high school, in addition to knowing one's subject matter thoroughly and being able to convey it to others, requires the grit of a long-distance runner, the stamina of a boxer going 15 rounds, the temperament of a juggler, and the street smarts of a three-card monte dealer.

所以，作为高中教师，除了需要具备通晓本专业学科知识并且传授给学生的教学能力之外，还需要具备长跑运动员的坚韧耐力，打满15回合拳击手的充沛体力，魔术师的善变灵通，街头赌徒的机敏狡黠。

She needs a good rest to recover after her ten-hour flight.

乘坐了10个小时的飞机之后，她需要好好休息以恢复体力。

In the second part of the paper, the sport techniques of the flight elements was analysised in-depth theoretically by the movement technical structure:①the giant swing was first analysised in mechanics by applying the Kane's method, the dynamic equation of 5-link multi-body model was established, and the computer simulation software of the giant swing on the high bar was developed.

其次，作为单杠上飞行动作系统性研究的另一主要方面，本论文对飞行动作一般技术结构中的各技术环节进行了深入的理论分析：①着重对飞行动作准备阶段的回环运动技术进行了动力学分析，主要采用了多体力学理论中的Kane方法，建立了5环节人体回环运动的动力学方程，并应用计算机数值仿真技术研制开发了用于回环运动动力学分析的数值仿真软件，进而以动作实例对回环运动进行了数值仿真与误差分析，其所得到的数值仿真结果能够满足对人体回环运动的动力学分析和仿真要求；②对于飞行动作的撒手技术环节，本论文从人体环节相对运动角度，来分析撒手时人体质心的运动以及撒手时角动量参数，并列举了几种飞行动作撒手技术的基本力学指标；③关于飞行动作的空中技术，论文在总结了空翻转体动力学机理的研究成果基础上，对人体空中运动定量化问题进行了一般性描述，并进一步应用刚体动力学理论，着重建立起了描述空翻与转体技术之间定量化的关系，讨论了空翻转体运动的稳定性及其运动模式的转换问题，它对于定量地评定空翻转体技术以及今后对空翻转体动作进行数值仿真都具有理论上和实践上的重要意义；④关于飞行动作再握技术环节，本论文避免了以再握瞬时性的力学参数指标来描述再握技术特征的简单化途径，提出以再握下摆与回环下摆相对比的方法来研究再握技术，并以飞行动作再握技术的具体实例进行了对比分析，表明再握下摆技术相比回环下摆技术有着相当的困难性和复杂性，运动员对再握下摆过程中各环节的相对运动实施有效的控制，是连接高难动作以及顺利流畅地完成成套动作的关键。

In addition, the majority of Americans are inactive and not meeting the Surgeon General's goal for adequate physical activity.

& &此外，大多数美国人是无效和不符合外科医生一般的目标有足够的体力活动。

In order to demonstrate the design scheme of the air-cushion surge tank for a hydroelectric project,the hydraulic fracturing technology is adopted to define the in-situ stress and related rock mechanical parameters of rock mass surrounding the high pressure cavern.

：为论证某水电工程高压洞室的方案设计，采用水压致裂技术对高压洞室的原地应力及相关岩体力学参数进行细致的测试。

Therefore excess body weight and increased physical actiity add significantly to the forces that act to loosen, bend, or break the stem of a femoral component.

因此，身体过重和体力活动过量可明显增加髋关节受力，从而导致股骨假体的松动、弯曲或柄的折断。

The indoor experiment of mechanical parameters of rock is performed to provide a series of mechanical parameters of rock-mass needed in numerical simulation of abandoned stope disposal.(3) The minimal roof span, the minimal cantilever roof span and roof cutting depth are studied by the 3D non-linearity FEM code ANSYS.

开展了室内岩石力学参数试验，提出了数值模拟研究所需要的岩体力学参数；(3)应用三维ANSYS有限元程序研究了顶板极限跨度、悬臂状态下的顶板极限跨度和切顶深度。

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。