Analyzing the back curve of human body, fitting of the back curve, fixing the constraint conditions, the seat back curve which is more conformed to physiological principle is obtained.
分析人体背部曲线，并对座椅靠背曲线进行拟合，确定关键点的约束条件，从而得出更符合人体生理曲线的座椅靠背曲线。
This paper introduces the measuring sample layout of the back curve, when the back curve is round, the radius can be any value or given value for realizing its flexibility of application.
介绍回头曲线采用圆曲线时，其半径以任意值和指定值的测量放样，以达到灵活应用的目的。
Then I go clockwise along the inside curve, then back along the slit.
再顺时针沿着里面的曲线走，又回到这个裂口。
The warping associated with the closed timelike curve could cause our slice to twist back on itself, making it impossible to divide all of space-time into distinct moments.
与封闭的时间型曲线相关的这种扭曲会导致我们的切分转回原处，不可能把所有的时空分成各自不同的时刻。
As you stand, maintain the natural curve in your lower back and keep your core muscles tight. Use your leg muscles - not your back - to lift the object.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。用你的腿部肌肉——不是背部——去抬起物品。
Lean on the ball as shown, keep the back flat or maintain its natural curve, with the legs straight.
身体俯卧于球体之上，动作如图所示。背部保持正直或保持自然弯曲状态，腿部伸直。
So it is just a matter of time before the Beveridge curve snaps back into shape.
因此，贝弗里奇曲线突然恢复原形也仅仅是时间问题。
And we didn't know whether we were going to be looking at history or not because when you look at a curve like that, an exponential curve going up can often just tilt over and crash back down again.
我们并不知道是否会鉴证历史，因为，在您看到那样的一个曲线时，那种上升的指数曲线往往会再次倾斜下滑。
Choose a chair that supports your back, including the curve in your lower back (if not, place a rolled up towel or pillow behind your lower back for support).
找把能靠背的椅子，椅背曲线要与自己的背部贴合，或者在你的背后卷条毛巾或放个枕头。
As you stand, maintain the natural curve in your lower back and keep your core muscles tight.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。
If necessary, place a small cushion or rolled towel behind the curve of your lower back.
如有必要，在后背下部的弯曲后面放置一个小靠垫或是卷起的毛巾。
Once you start moving along such a curve, you are required to come back to precisely the point at which you started.
一旦你开始沿着这样的曲线移动，你就需要精确地回到你起始的地方。
Maintain the natural curve in your lower back, and keep your core muscles tight.
保持腰背部的自然弯曲，保持收紧你的核心肌肉。
On the curve of the nearest hill she looked back regretfully at Marlott and her father's house, although she had been so anxious to get away.
尽管她十分渴望远走他乡，但是走到最近那个山丘拐弯的地方，她又回过头去，满腹惆怅地望了望马洛特村和她父亲的房屋。
Known as the forest transition, this can be visualised as a curve in the shape of a ski-jump, first sloping down steeply and then turning up gently as the forest creeps back.
这一过程被称为森林转变，它可被形象地表现为一条跳台滑雪型的曲线：一开始陡然下滑，之后随着逐步还林，曲线缓缓上升。
Support the curve in your lower back.
后背的下半部分应有一定得曲线。
A smart boss regards mistakes as part of the learning curve for every employee and values those who are determined to find a way to bounce back.
一个明智的老板（或上司）会将犯错误视为每个员工成长必交的学费，所以他们欣赏那些百折不挠的下属。
It has held back currency appreciation and steepened the bond yield curve, supporting Banks.
它抑制了汇率升值，令债券收益率曲线更为陡峭，由此对银行构成支持。
The lumbar curve in the lower back, which helps us maintain our balance as we stand and walk, also leaves us vulnerable to lower back pain and strain.
腰部脊椎帮助我们在站立和行走的时候保持平衡，当同时也使得我们的背部更易疼痛。
Maintain the natural curve in your lower back, and don't hold your breath.
保持腰背部的自然弯曲，不要屏住呼吸。
so what I've done is I effectively went along this curve, and if I take them off, if it is an ideal spring, then it goes back to its original length, which it does.
,目前为止我所做的,都是沿着这曲线，如果把它们都拿掉，如果这是理想型弹簧，它就会回到初始长度，它是这样表现的。
After studying 19 pregnant subjects, Ms. Whitcome found that the lumbar, or lower back, curve in women extends across three vertebrae, as opposed to just two in men.
通过对19位怀孕对象的研究，Whitcome女士发现女性的腰部，或背部下方曲线可包含三块椎骨，而男性只有两块。
Maintain the natural curve in your lower back.
保持腰背部的自然弯曲。
“Back in 2007 they were behind the curve” in raising rates and “I don’t think they want to make the same mistake this time around.”
在提高汇率上“2007年我们落后了”而且“我认为它们这次不会再犯相同的错误。”
"Um, it's different," he says of his experience as a right back. "it's a learning curve and I'll do my best there."
“嗯……这不一样，”他这样讲自己的右后卫经历。“这就是学习曲线，我会尽力。”
Core: Pull navel toward spine. Feel curve in lower back flatten slightly.
核心：拉肚脐向脊柱，感觉曲线在下背部稍平。
When you are sitting or driving for long periods of time, place a cushion or rolled-up towel between the curve of your lower spine and the back of your seat.
当你需要坐很久或者开车很久时，应该用垫子或卷起的毛巾垫在脊柱尾部曲线和座椅靠背的空隙之间。
There should be a slight inward curve in your lower back, an outward curve in your upper back, and another inward curve at your neck.
这时你下背部应该是一条略微内凹的曲线，上背部是一条略微外凸的曲线，脖子则是另一条内凹的曲线。
There should be a slight inward curve in your lower back, an outward curve in your upper back, and another inward curve at your neck.
这时你下背部应该是一条略微内凹的曲线，上背部是一条略微外凸的曲线，脖子则是另一条内凹的曲线。
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