对于偏距加工和行切加工都可以使用螺旋下切方式。
下切谷的形成是构造运动和海(或湖)平面共同作用的结果。
The formation of entrenched valley is the mutual effect of tectonic movement and sea (lake) level.
低水位时期坡折带控制了下切谷-低位三角洲沉积体系的发育。
The depositional slope-break belt controls the development of sediment system of eroded valley-low stand delta.
坝地淤积，抬高了侵蚀基准面，可以防止沟道下切和沟岩扩张；
Silting in dams raise the erosion base. This can prevent guilybed from cutting down, and banks from expanding;
方法回顾性分析用常温下切肝法治疗86例肝癌患者的经验体会。
Method Retrospective analysis of experience treating 86 cases of liver cancer with the operation.
目的研究血管粘弹性对脉动血流在扌衮法推拿作用下切应力的影响。
Objective To investigate the effect of vasal viscoelasticity on wall shear stress of pulsatile flow under the influence of Rolling Massage.
所设计的正切刃口曲线将作为曲导线用于构造下切式节能旋耕刀正切刃面。
The designed widthwise edge curve will be used as a directix curve to form scoop surface of the energy-saving down-cut rotary blade by scanning method.
峡谷由于受到科罗拉多河的强烈下切作用而形成，所以又称科罗拉多大峡谷。
The Colorado River Valley due to the strong do cutting action to form, so also known as the Grand Canyon.
三水站河床大幅下切，水文要素亦相应地发生了很大的变化，直接影响着防汛工作。
The enormous deepening of riverbed at Sanshui Station and the corresponding hydrologic changes result in the direct negative influence upon the prevention of flood.
由于采沙破坏了天然河床的平衡状态，可引起长距离河床整体下切，对已有跨河桥梁工程不利。
Because it destroyed the river equilibrium, sand excavation would cause river bed erosion in large scale, which is danger our to the structure across the river.
当支沟泥石流输入主河的泥沙量小于主河的输沙量时，主河河床将下切，并逐渐恢复山区性河流的特征。
The main channel bed will scour if sediment amount from tributary debris is less than that the main stream can carry and the river evolution exhibits the characteristic of mountainous rivers.
研究表明：河谷下切引起的岩体卸荷松弛，雨水进渗导致的岩体强度衰减是导致红层滑坡形成的主要因素。
Study shows that: incised valley of the rock mass caused by unloading relaxation, caused by rainwater infiltration rock strength degradation is the formation of red layer a major factor in landslides.
河谷下切引起的应力集中是显著的，河谷地区许多构造形迹及地下工程中出现的若干围岩稳定问题都与此有关。
The stress concentration caused by river valleys is conspicuous with which some structural phenomena in river valley and rock stability of underground structure have relationship.
各层序分别由低位体系域的下切谷充填沉积的砂岩、砂砾岩，海侵体系的灰岩、泥灰岩、泥岩、煤和高位体系域的碎屑岩和煤组成。
Each sequence is composed of incised valley sandstone of low system tract, limestone, marl, coal and mudstone of transgressive system tract and clastics and coal of high system tract.
滑坡形成与长江下切产生临空面、重力滑动密切相关。 测定滑坡区结构面（带）形成或滑动年龄是区分断层、滑动面以及研究滑坡形成历史的有效手段之一。
Therefore dating the formation of structural faces (zones) or slide time is an effective means for distinguishing faults and landslides and for studying the history of formation of landslides.
你不能指望我挥动一下魔杖，便一切又平安无事了。
You can't expect me to just wave a (magic) wand and make everything all right again.
我们在没有来自医院的任何支持的情况下做着这一切。
We are doing this all without any support from the hospital.
如果停下来考虑一下，就会发觉这一切相当蹊跷。
There is something rather strange about all this if one stops to consider it.
所有这一切都是在一时冲动下干的，我当然已经从我的过失中吸取了教训。
It was all done in the heat of the moment and I have certainly learned by my mistake.
想到一切都得从头再来，我的情绪一下子低落了。
在这一切正常的表象下，藏着一个让这个家庭破裂的毒瘾。
Underneath this image of normalcy, addiction threatened to rip this family apart.
所有这一切将在没有大幅度提高最低所得税标准的情况下进行。
All this is to be done without big increases in the basic level of taxation.
在这种情况下，他们会尽一切可能去熟悉市场情况。
Under such circumstances, they will try everything possible to familiarize themselves with the market conditions.
我怎么能一下子把一切都告诉你呢？
如果你问美国的女大学生，她们会回答希望伴侣在西装革履的外表下，拥有一切她们喜欢的特质：除了忠诚之外，伴侣还必须风趣、幽默，能和她们成为好友。
If you ask American college women, they expect everything under the suit: in addition to being committed, partners have to be amusing, funny and a friend.
此外，他们是在没有其他队的优势以及以往经验的情况下做到了这一切。
Furthermore, they did it all without the advantages of the other teams and with no previous experience.
想象一下完美的一天：天气很好，一切似乎都很好。
Imagine a perfect day: the weather is good and everything seems fine.
但是，要记住的是，当你观察这些条件下的反应热时，一切都很好。
However, the thing to remember is that it's all well and good when you look at heats of reaction under those conditions.
洗呀，熨呀，上浆呀，给绅士们整理晚会上用的上等衬衫——一切都是在我的监督下做的！
Washing, ironing, clear-starching, making up gents' fine shirts for evening wear--everything's done under my own eye!
洗呀，熨呀，上浆呀，给绅士们整理晚会上用的上等衬衫——一切都是在我的监督下做的！
Washing, ironing, clear-starching, making up gents' fine shirts for evening wear--everything's done under my own eye!
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