因此，速度的大小即是,矢量V的模长。
So, speed, which is the scalar quantity is going to be just the magnitude of the vector, V.
也就是，曲线每一点上,垂直于曲线，模长为1的向量。
That means a vector that is at every point of the curve perpendicular to the curve and has length one.
也许我们可以这样理解，看，我说过速度矢量有模长和方向。
So, maybe if I actually stated directly that way, see, I'm just saying the velocity vector has a length and a direction.
也就是说，如果朝该方向运动，函数值变动得最剧烈，那么相应的斜率就是梯度向量的模长。
OK, so if I go in that direction, which gives me the fastest increase, then the corresponding slope will be the length of the gradient.
讨论局部对称空间中具有平行平均曲率向量的子流形，得到其关于第二基本形式模长平方的积分不等式的相关定理。
This paper discusses submanifolds with parallel mean curvature vector in local symmetric Spaces and obtains integral invariants about the square of modulus-length.
研究一类局部对称Riemann流形的紧致超曲面，得到了使浸入超曲面的第二基本形式模长的平方为常数的几个充分条件。
Some sufficient conditions arc obtained, under which the Square length of the second fundamental form of the immerse hypcrsurfaces is a constant.
他们进入了另一个房间，和第一个房间一模一样-----一大锅肉、一群人、把柄同样长的勺子。
They entered another room, identical — the pot of stew, the group of people, the same long-handle spoons.
他们进入了另一个房间，和第一个房间一模一样- - - - -一大锅肉、一群人、把柄同样长的勺子。
They entered another room, identical - the pot of stew, the group of people, the same long-handle spoons.
同样地，这个距离，△r的模也不完全等于它跨过的弧长。
Similarly, this distance, the length of delta r is not exactly the length along the curve.
由于长周期光栅在较高次包层模谐振时的特殊性，在光栅制作的过程中会出现与其它包层模谐振不同的特性。
Since the characteristics of higher order cladding mode resonances are specific in LPG, it will exhibit different phenomena during the process of grating manufacturing.
这种较高次包层模谐振将导致极宽带的长周期光栅，论文中还预计了这种长周期光栅未来的应用。
Such higher order cladding mode resonances will result in ultra-broadband LPG. The possible application of such an LPG is predicted.
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
他们进入了另一个房间，和第一个房间一模一样- - - - -一大锅肉、一群人、把柄同样长的勺子。
They entered another room, identical to the first-the pot of stew, the group of people, the same long-handle spoons.
实践证明，新设计的旋转模头系统行星齿轮减速器可靠性好使用寿命长，为生产装置的正常运行起到了极为重要的作用。
It was proved by practice that the newly designed speed reducer had a good reliability and long service time, which exerted great significance for normal operation of the producing plants.
本文应用耦合模理论分析了长周期光栅的光谱特性。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究，推导出谐振波长应变灵敏度的解析表达式。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
具有模切精度高、操作方便、胶套使用寿命长、成本低等特点。
It has grind high nicety and operation convenience and glue sheath using long life and low cost.
根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。
Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.
本文对不同轴长比和不同瓣数的不锈钢扁球壳体进行了整体无模胀形成形实验研究及理论探讨。
Experiments and theoretical analysis are made for the integral hydro-bulge forming technology of oblate spheroidic shells of various axial length ratios and petal Numbers.
倒入备好的蛋糕长模里，入预热烤箱烘焙50分钟左右或是直到熟。喜欢的话可以洒上少许糖粉。
Pour into prepared pan and bake at preheated oven for 50 minutes or until done. Dust with confectioner's sugar if desired.
针对一种细、长且薄的管状零件的注塑成型，给出了一种一模四件、环形浇注的成功实例。
This paper aimed at the injection forming of a kind of thin and long plastic tube, and it also gives a successful example of one mould for four parts and loop injection.
减小探测光输入功率，选取短波长探测光波长，增加半导体光放大器的腔长和模场限制因子以及大的偏置电流可提高转换光消光比；
Meanwhile extinction ratio of converted signal can be improved with low probe power, short probe wavelength, long cavity length, high confinement factor, and large biased current.
多工位级进模精度要求高，结构复杂，传统的串行开发存在着制造难度大、生产周期长的缺点。
Because of the high precession and complicated construction requirements, the multi-stationed progressive die is hard to process with the traditional serial development besides a long production term.
目前在攀长钢，不合理的LF精炼工艺已经成为制约“电弧炉—LF炉—（VD/VOD炉）—连铸或模铸”高效炼钢的瓶颈。
Nowadays in Changcheng Steelworks, the unreasonable LF process has become the bottleneck for high speed steelmaking of "EAF-LF-(VD/VOD)-CC/ingot casting".
实验研究了该型长周期光纤光栅的压力和温度特性；结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
其次从耦合模理论出发，建立了长周期光纤光栅的数学模型。
From coupled mode theory, the mathematical model of LPG was established.
掌握长抽距或斜抽芯塑件的结构工艺分析及抽芯距、抽芯力的计算，齿轮、齿条注射模侧向抽芯机构的原理和齿轮、齿条设计要点尤其关键。
At the same time, introduce the principle of side core-pulling mechanism of gear and rack injection mold, and design gist of a rack.
液压式锁模的大型注塑机具有寿命长、性能稳定可靠、性能价格比高的优点。
There were of benefits to longer service life, steady and reliable capacity, higher ratio of property versus price brought by selection the hydraulic clamping large-injection molding machine.
液压式锁模的大型注塑机具有寿命长、性能稳定可靠、性能价格比高的优点。
There were of benefits to longer service life, steady and reliable capacity, higher ratio of property versus price brought by selection the hydraulic clamping large-injection molding machine.
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