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- At low head, it's easy entering 'S' zone causing speed unstable, difficult synchronizing and reversed power afterwards, or un-stable at no-load speed after load rejection. 经现场调试知，当机组在低水头发电空载运行时，极易进入"S"形特性区域，造成机组并网困难、逆功率或甩负荷后不能达到空载稳态。
- Vygotsky’s Zone of Proximal Development Inherent in scaffolded instruction is Lev Vygotsky’s (1978) idea of the zone of proximal development. 维果茨基的最近发展区 支架式教学的内涵是维果茨基的（1978）最近发展区概念。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
- THT RESEARCH ON SMALL TOWN'S ZONE DIFFERENCE OF CHINA 中国小城镇经济发展的地区差异研究
- He gave the little boy a clout on the head. 他在那小男孩的头部打了一下。
- I saw the small girl topple over and hit her head. 我看见那小女孩栽了一跤，碰着了头。
- I was dazed by the blow on my head. 我的头挨了一击而觉得晕眩。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The horse kicked its fallen rider about the head. 那匹马乱踢从它背上掉下来的骑手的头部。
- A price of $1000 was set on the jewel thief's head. 悬赏1000美元抓住这个珠宝窃贼。
- As I was waiting for a bus a brick fell on my head. 当我在等公共汽车时，一块砖头落到了我的头上。
- He because of bashful but low head. 他因羞愧而低下了头。
- She greeted us with a nod of the head. 她向我们点点头打招呼。
- He was sitting with his head buried in a book. 他坐着埋头看书。
- He batted the idea around in his head. 他脑子里反复思考这个想法。
- How can I enlighten your wooden head? 我怎么才能让你这木头疙瘩开窍呢？
- The guilty man bowed his head in shame. 那个有罪的人羞愧地低下了头。
- The heavy box landed crash on his head. 沉重的箱子哗啦一声掉到他的头上。
- The horse perked up its head when I shouted. 我吆喝时那马扬起了头。
