开始时，双脚前后站着，把身体的重量前后甩动（与绕圈甩动不同）。
To start, stand with one foot in front of the other and shift your weight back and forth (versus around in a circle).
正是这一洞见使得冰岛从1900年前后欧洲最贫穷的国家之一转变为2000年前后最富裕的国家之一。
This insight is what led Iceland to go from being one of the poorest countries in Europe circa 1900 to being one of the richest circa 2000.
同时，关心你的健康问题，你可能会在满月前后感到一点体力不支，5月9日，前后4天。
At the same time, keep your health robust, as you may feel a little less energetic near the full moon, May 9, plus or minus four days.
经过测量反应前和反应后实验前后的可乐pH值发现前后酸性没有发生变化，排除了简单的碳酸反应导致这喷泉影响的想法。
Measurements of the pH of the Coke before and after the experiments showed that its acidity did not change, ruling out the idea that a simple acid-base reaction drives the fountains.
所有的这些决定在比赛前后的考虑中都是很愚蠢的，但是对武贾西奇来说，没有这些前后顾虑。
All of these decisions are stupid within the context of the game, but for Sasha there is no context.
天性娇弱，抗逆性较差，产量较低，萌芽期在春分前后，停止生长期在霜降前后，一年生长期7个月。
Delicate nature, less resistance, low output, the germination period before and after the spring equinox, and stop growing season after the frost year growth period 7 months.
对新款车的前后区域均进行了空气动力学微调，这样做旨在确保最大限度地平衡前后轴的升力系数。
The aerodynamic fine tuning in the front and rear areas is designed to guarantee an optimum balance in the lift coefficients at the front and rear axles.
结果：在胃经沿线脂肪条带结构上三个位点针刺前后痛阈变化明显，在脂肪条带结构旁两个对照位点上针刺前后痛阈未见有意义改变。
Results: the pain threshold before and after acupuncture on points of fat strip structure along the stomach meridian varies obviously, and not the result of the points aside the fat strip structure.
但其面积(体积)、地层厚度、各标志层的长度在变形前后保持相等，即变形前后的剖面是平衡的。
But the area, bed thickness and marker bed length remain unchanged; that is to say, the geological section keeps balanced before and after deformation.
雷凡培称，我国计划在2018年前后发射空间站试验性核心舱，2022年前后发射20吨级的组合式空间站。
Lei I said that China plans to launch the experimental core module 2 of its space station around 2018, and the 20 ton combination space station will be sent into orbit around 2022.
为了分析碾压混凝土坝补强加固前后坝基扬压力变化性态，建立了自适应监控模型，以分析补强加固前后各影响因子对坝基扬压力的影响。
In order to analyze the behavior of uplift pressure of RCC dam before and after rehabilitation, the observed data are firstly analyzed qualitatively.
方法比较木香醇提取物对小鼠给药前后耳廓、足跖炎性肿胀的变化及大鼠给药前后胆汁流量的影响。
METHOD Compare the auricle and footpad swelling, as well as the volume of bile, before and after administration of the alcohol extract of Aucklandiae. (AAE).
骶髂关节可分为前后两部分，通过前后骶髂韧带连接在一起。
The SI joints can be divided into anterior and posterior and are held together by the anterior and posterior sacroiliac ligaments.
运用XPS分析方法研究一系列复合氧化物催化剂中毒前后硫在其表面的各种形态及催化剂活性组分中毒前后的组成、价态、化学机理及其变化。
By using XPS, before and after the intoxication of mixed oxide catalysts, the various appearance and the composition. valence and chemical mechanism of the active component of catalysts were studied.
简化前后系统的稳定潮流计算及稳定性分析表明，简化前后系统的失真度很小，满足了实际仿真要求。
The result from steady state power flow calculation and stability analysis before and after the simplification shows that the distortion are fairly little, and it satisfies the request of simulation.
作者根据10名受试者热身前后分别进行肌肉被动拉伸的实验，对热身活动前后肌肉的力量进行对比。
According to the experiments of passive muscle extension of 10 subjects before and after the warm-up exercises, the muscle power is contrasted before and after the warm-up exercises.
目的通过超声心动图检测绝经前后妇女心脏，评估绝经前后左室收缩功能的变化。
Objective To evaluate the left ventricular systolic function in women before and after menopausal by echocardiography.
前后处理采用商品化软件，用所开发的接口程序实现计算主程序与前后处理软件间数据传递与处理。
Pre process and post process are finished by a commercial software Interface programme connects the computing programme with the pre process and post process software.
结论：总结了前后测量设计资料个体生长趋势的4种情况，提示我们在分析前后测量设计资料时个体自然生长问题不容忽视。
CONCLUSION: the 4 kinds of individual changing trends in pretest-posttest design show the problem of the individual change can't be ignored when we analyze the data of pretest-posttest design.
用疼痛指标对两组治疗前后腰腿疼痛变化作定量分析，用B超对两组治疗前后突出物大小改变情况作动态观察。
Changes of lumbocrural pain and the protuberance size before and after treatment were investigated respectively with pain indexes and B-ultrasonography.
评价治疗前后神经功能缺失评分的变化及疗效，监测用药前后肝、肾功能的变化。
The efficacy was assessed using the neurological functional deficit scores, and the safety was monitored by comparison of the hepatic and renal function before and after the infusion.
同时奉上了一块地材上蜡前后对比的样块，客户可以直观的判断上蜡前后的效果。
Follow the same time to build a wax around the block-like contrast, customers can directly before and after the judgment wax results.
总结：单调变换前后的效用函数的偏好相同。 总结：单调变换前后的效用函数的偏好相同。
Summarize: a monotonic transformation of a utility function is a utility function that represents the same preferences as the original utility function.
所以，在生产前后，甚至怀孕前后就开始对产妇的情绪进行干预是很必要的。
So, after production, and even pregnant mothers before and after the start of the emotions is necessary to intervene.
方法应用模拟教学前后，采用自设问卷调查方法，调查每届护理本科统招生进行教学前后效果比较。
Methods the nursing students who were investigated by the questionnaires before and after application of simulation teaching were compared.
采用X射线衍射（XRD）和扫描电子显微镜（SEM）对微波辐射预处理前后和浸出前后的物相及废催化剂形貌进行了表征。
The phase and morphology of exhausted catalyst before and after microwave radiation-pre- treatment and leaching are characterized by XRD and SEM techniques.
方法对乘坐硬座车厢旅客采取自身前后对照方式，干预前后分别进行问卷调查和定性访谈，对采用的艾滋病健康教育材料和方式效果进行评价。
Methods Before-after study was applied in passengers of railway, and the questionnaire surveys and qualitatively interview were taken to analyze the effect of AIDS health education on them.
目的：比较前后鼻孔纱球填塞法与双管水囊前后鼻孔填塞法治疗严重鼻出血的疗效。
Objective: To evaluate and compare the curative effects between gauze roll packing and dual water bag packing of the anterior post nares in arresting epistaxis.
目的：比较前后鼻孔纱球填塞法与双管水囊前后鼻孔填塞法治疗严重鼻出血的疗效。
Objective: To evaluate and compare the curative effects between gauze roll packing and dual water bag packing of the anterior post nares in arresting epistaxis.
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