By comparing the intensity of the hum with the height of waves around the world, scientists can track where the buzz is coming from.

通过把全世界海浪高度和嗡嗡声的强度相比较，科学家能追踪到这种声音的来源。

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Many track coaches describe this ideal torso position as "running tall" and it means you need to stretch yourself up to your full height with your back comfortably straight.

许多田径教练将这一理想身姿描述为“跑得高挑”，意思是您跑步时需要将身体伸展至您的最大身高，背部舒服地挺直。

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For a single track lift, the container density is large, the pile height is higher, thus a higher handing level without turning over is needed.

单台轨迹吊对应的集装箱密度较大，堆高也较高，需求较高的办理水平，以避免频频翻箱。

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The name alone is enough to raise eyebrows, but wait until you see the special features: a biorhythm calculator, a fatness function that calculates a user's height-to-weight ratio, a calendar for keeping track of your menstrual cycle and a calorie-counting function.

ECONOMIST: Mobile telephones