The support frame (15) is preferably arranged on the front portion of the floor tunnel (11).

支撑架(15)配置在地板通道(11)的前端部是合适的。

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This network comprises areas of nerve cells located in the front portion and the upper rear, or parietal, portion of the brain.

此活动出现在所谓的“额-顶部注意力控制网络”。这个网络包括脑前部和脑上后部（或者说顶部）的神经细胞。

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In the living space, which takes up the front portion of the building, they form five vertical strips along the wall that flanks a lounge space and also create a backdrop to a bench seat.

起居空间位于住宅入口部分，休息厅侧墙上的五条竖直板材充当着沙发长椅的装饰背景。

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This procedure involves cutting the front portion of the first metatarsal in a V-shape, moving the bone and holding the sections together with a fixation device, such as screws.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions

The right front portion of the vehicle's frame was now on the ground, so I set my right foot out into the sand to get some footing, in order to pull myself and my left leg free.

NPR: Amputee Wounded in Iraq to Return to Active Duty

The most frequent procedure to correct the angular deformity is an osteotomy, or a bone cut at either the front, middle or back portion of the first metatarsal bone.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions