As you stand, maintain the natural curve in your lower back and keep your core muscles tight. Use your leg muscles - not your back - to lift the object.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。用你的腿部肌肉——不是背部——去抬起物品。
On the Space.com site, the comet is being described as a "space peanut, " which seems accurate — although the comet's core also resembles a chicken leg or drumstick.
在Space.com网站上，彗星被称为“太空花生”，这似乎是正确的-尽管彗星的核心又像是一个鸡腿或鸡腿。
We started with core strength, and progressed to explosive leg plyometrics, always focusing on the basics, and doing quality sessions, not quantity.
我们从核心的力量开始，逐渐过渡到腿部肌肉爆发力量训练，通常是集中在基础部分，保证质而不是保证量。
Doing this exercise strengthens your arm, core, and leg muscles throughout the routine.
这个练习在整个程序中加强你的手臂，核心肌肉和腿部肌肉力量。
The ability for Lotus Symphony to import those documents, spreadsheets and presentations means that it will get a significant leg up in the core enterprise productivity market.
LotusSymphony支持导入Office文件、电子表格和幻灯片，这意味着该产品在办公软件市场取得了重大进步。
The Half Moon requires some knowledge of the core pelvic muscles and how to engage them so the leg can move freely.
半月式需要了解盆腔的核心力量，并且学会如何运用核心力量从而使腿自由移动。
Cold leg recirculation mode will provide long term cooling for the core and hot leg recirculation mode will be used alternately provide reverse flow to the core.
冷段再循环给堆芯提供长期的冷却，热段再循环用于交替地给堆芯提供反向流。
Based on magnetic circuit of three-leg core transformer the transient model of the transformer is presented.
以三心柱变压器铁心的磁路为基础，建立了该种变压器的暂态模型。
The thesis presents a practical die structure with dog-leg CAM and Angle pin for secondary combined Angle core pulling of die casting draw hooks.
本文给出了拉钩铸件弯销-斜销二级联合斜向抽芯压铸模实用结构，论述了模具分型面的确定、结构特点和工作原理。
Based on magnetic circuit of three leg core transformer, the transient model of the transformer is presented.
以三心柱变压器铁心的磁路为基础，建立了该种变压器的暂态模型。
It is necessary to determine switchover time to simultaneous cold and hot leg safety injection during LOCA long-term core cooling.
在失水事故长期冷却过程中，必须确定安全注射系统从冷段注射切换到冷热段同时注射的切换时间。
The organic carbon contents, compositions and distributions of various biomarker compounds were examined in leg NS90-103 of marine sediment core from chinese Nansha sea areas.
研究了南沙海域NS90—103柱样有机碳含量、各类生物标志化合物的组成和分布及其地球化学意义。
The thesis presents a practical die structure with dog-leg cam and angle pin for secondary combined angle core pulling of die casting draw hooks.
本文给出了浮子室体铸件斜销-齿轴-齿条二级联合斜下抽芯压铸模实用结构，论述了模具结构特点和工作过程。
Dissertation was made on the structure characteristics and principle of the die-casting die with dog-leg CAM and angle-lift splits core-pulling mechanism.
给出了实用的弯销与斜滑块抽芯结构，论述了其结构特点和工作原理。
Dissertation was made on the structure characteristics and principle of the die-casting die with dog-leg CAM and angle-lift splits core-pulling mechanism.
给出了实用的弯销与斜滑块抽芯结构，论述了其结构特点和工作原理。
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