Narrator: Servos weren't enough on their own for the heavier parts of the head, like the tongue and throat.

旁白：对于头部较重的部位，如舌头和喉咙，伺服系统本身是不够的。

After the egg cracked, the lighter half became Yin and the heavier part which later became the earth was called yang.

鸡蛋裂开后，较轻的一半成为阴， 较重的部分后来成为土， 称为阳。

Robot usage historically centred on the car industry, whose heavy parts and large batches with limited variety are ideally suited to the machines.

机器人的使用历来集中在汽车行业，其重型零件和大批量且品种有限非常适合机器。

Because of its size and heavy parts, 28 trucks are required for the shipment of one R 9800. For assembling the full size R 9800, 12 weeks are required.

由于其尺寸和重型部件，运输一辆 R 9800 需要 28 辆卡车。 组装全尺寸 R 9800 需要 12 周。

There's no powered motor in SNAG's toes and legs, making it especially useful to environmental monitoring, since they can help land and balance a flyer without using heavy, energy-intensive parts.

SNAG 的脚趾和腿部没有动力马达，这使得它对环境监测特别有用， 因为它们可以帮助飞行者着陆和平衡， 而无需使用笨重、耗能的部件。

The heavier parts of the material swept over the falls are heaped up a short distance in front of the basins in the form of a dam, thus tending, together with erosion, to increase their size.

扫过瀑布的较重部分物质以水坝的形式堆积在盆地前面不远的地方，因此与侵蚀一起趋向于增加它们的尺寸。