Heels not only have to be the right height but in the right position: not too far back, but under the centre of the heel so they support your weight properly, following the natural line of your body.

鞋跟不仅要有一个合适的高度，也需要在正确的位置上：不能太靠后，要在脚后跟的中心，这样的鞋跟才能沿着你的身体曲线有效地支持你的体重。

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Research in this paper is about the alternative rule of the axial force of supporting pole with different support height during the period of casting concrete through field detection.

本文通过现场检测实验，研究了不同高度支撑架内力随混凝土浇筑过程的变化规律。

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Fidel Castro soon won the support of the Soviet Union at the height of its cold war tensions with the United States.

不久之后，在前苏联和美国冷战时高度紧张的情况下，他得到的前苏联的支持。

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Furthermore, the cash grant program did support more than 50, 000 short-term jobs during the height of the recession and nearly 4, 000 long-term, permanent jobs, according to conservative estimates.

FORBES: Media Controversy Over Stimulus-Funded Clean Energy Grant Program Lacks Substance

The Farm Crisis Network - which provides a helpline and practical and pastoral support - and the Rural Stress Information Network were receiving hundreds of calls a day at the height of the outbreak.

BBC: Jubilee tour diary: Beer in Burton