问答题
脊柱损伤伤员的搬运要点？
发布日期：2022-07-20
试题解析
伤员
伤员，拼音shāng yuán，汉语词语，意思是指在战争或灾害中受伤的人员。有时也被用来形容因其他原因受伤的人，表示戏谑或幽默含义。
- 中文名
- 伤员
- 基本解释
- 在战斗中受损伤的人员
- 拼音
- shāng yuán
- 英文
- the wounded
搬运
搬运是指地表和近地表的岩屑、溶解质等风化物被外营力搬往他处的过程。外营力包括水流、波浪、潮汐流与海流、冰川、地下水、风和生物作用等。在搬运过程中，风化物的分选现象以风力搬运为最好，冰川搬运为最差。搬运方式主要有推移（滑动和滚动）、跃移、悬移和溶移等。
- 中文名
- 搬运
- 应用学科
- 环境工程
- 外营力
- 水流、波浪、潮汐流与海流、冰川
- 外文名
- Handling
- 适用领域
- 环境生态
- 应用
- 水文地质
损伤
损伤，是指人体受到外界各种创伤因素作用所引起的皮肉、筋骨、脏腑等组织结构的破坏，及其所带来的局部和全身反应。
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Practice 5The Grand Canyon A famous American John Muir said in 1898: “The Grand Canyon…as unearthly in the color and grandeur and quantity of its architecture as if you had found it after death on some other star.” Like Muir, those of us who stand along the rim are prompted to wonder about the unearthliness and the forces that created and are still changing this place. After more than 100 years of studies, many things are still obscure. Today visitors come by the thousands—the great and simple of the earth — all in a spirit of marvel. Travelers come from every state of the Union, from every country in Europe and Asia, pilgrims to a shrine that is the same as the creed. From the depths of the canyon comes welling silence. Seldom can you hear the roar of the river. For all sounds are swallowed in this gulf of space. ‘It makes one want to murmur. A woman once whispered to her companion. This silence is not the silence of death；rather, it is a presence. It is like a great piece of music. But music made of man works up to a climax and ceases；the Grand Canyon is all climax, a chord echoing into eternity. Perhaps the most spectacular feature of the Grand Canyon, its Redwall limestone cliff, stands about half way up the chasm and is practically vertical. Its average height is550 feet almost exactly that of the Washington Monument. Though it is actually gray-blue limestone, the surface of the cliff has been stained to a sunset hue by iron salts washing out of the rocks. Above the Redwall come alternating layers of red sandstone and shale(页岩)1, 000 feet thick, then comes the next pale-blue layer. The topmost layers are a yellowish limestone. Now, visitors to the South Rim alone may number 18, 000 in a single day. Some of that number will travel by mule(轻型牵引机)train down Bright Angel Trail to the canyon’s floor, cross the raging fiver by a suspension bridge and amount to the North Rim. Though the two rims face each other across only 12 miles, it is a journey of 214 miles by car from one to the other. Nor can you visit the North Rim except in summer；some 1, 200 feet higher than the South Rim, it is snow covered much of the year except in July and August. But there is no day that you may not visit the South Rim and find the sun warm on your face and the air perfumed with the incense of smoke from an Indian hearth. The Grand Canyon is an unearthly sight. No wonder an American writer and journalist said, “I came here an atheist, and departed a devout believer.”
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