“It dumps its pressure load into the straps,” Dr.Schneider said.“Those two together make a very efficient design.

“压力负荷由凯夫拉纤维承担，”施耐德博士说，“纤维带再加上密封囊，这是一种非常有效的设计。”

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Selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.

受天择压力，他们朝向耗能较少的移动模式演化，因而脊椎柱更长，更灵活。

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Simple but super-efficient "rocket" stoves, of the type advocated in Manchester by Peter Scott, help tackle all of these problems. They reduce the amount of wood required, taking pressure off forests.

简易却超效的“火箭”炉灶是彼得·斯科特（Peter Scott）在曼彻斯特提倡使用的一种炉灶，它有助于应对所有这些问题。

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To make them sensitive to the deflection caused by pressure, the researchers carved grooves in the fibres along their length so that the bouncing of the light was less efficient at the point where pressure was applied.

BBC: 'Magic carpet' can detect or even predict a fall

There is very little pressure on British gas to be efficient and to keep these price rises to a minimum.

BBC: British Gas vehicle and employee

Downward pressure on reimbursements might shake out less efficient operators.

FORBES: Community Health Systems Makes Hostile $7.3 Billion Bid For Tenet