This is a normal vector of the same length as n, well, up to sign.
这是与N长度相同的法向量，只是符号不定。
So if you have some region of space S and you call its boundary surface S and you let n be the normal vector that goes out of the region R.
如果存在一些区域空间,边界为曲面,定义n为指向区域R外的法向量。
It is showed from vector analysis: N, P and K are deficient in poplar unfertilized and they are limiting factors to poplar.
矢量法营养诊断结果表明：未施肥的杨树各组织N、P、K均为缺乏状态，N、P、K是杨树生长的限制性因素。
By the method of linear transformation, the solution forms of vector wave equation in spherical coordinates, l, m and n, are transformed to the many other kinds of forms.
利用线性变换的方法，将球坐标下矢量波动方程解的形式l、M和N变换为其他多种形式。
A unit vector normal to the plane of t and n, which is the plane of curvature.
所构成的平面的单位向量，该平面为曲率所在的面。
However, because the average customer vector is extremely sparse, the algorithm's performance tends to be closer to o (m + n).
但是，由于顾客向量的平均值很稀疏，算法的执行更倾向于接近o (M + N)。
Moreover, corresponding to different filter length N and frequency vector setting modes(traditional symmetry or even symmetry), 4 types of all-phase half-band filters were designed.
并针对不同的滤波器长度N和频率向量的设置（传统对称或偶对称），设计出了4种全相位半带滤波器。
The vectors obtained from different common-offset trace gathers form a vector set in N-dimensional space.
这些由不同偏移求得的向量就构成了N维空间上的向量集。
Objective To construct the retroviral(RV) vector with report gene enhanced green fluorescent protein(EGFP) and to explore the gene transfection efficiency of RV on SK-N-SH neuroblastoma cells.
目的构建携带报告基因增强型绿色荧光蛋白（EGFP）的反转录病毒载体，并且探讨病毒载体对SK-N-SH神经母细胞瘤细胞株的感染效率。
In candidate sentences selection module, the methods we used to compute the similarity between sentences and query are N-gram modal and Vector Space modal.
相关语句抽取部分的相似度计算使用了N元模型和向量空间模型。
Objective To investigate the influences of oxygen vector n-hexadecane on Xanthophyllomyces dendrorhous growth and astaxanthin production in the shake-flask culture.
目的考察氧载体正十六烷对红法夫酵母发酵产虾青素的影响。
Objective To investigate the influences of oxygen vector n-hexadecane on Xanthophyllomyces dendrorhous growth and astaxanthin production in the shake-flask culture.
目的考察氧载体正十六烷对红法夫酵母发酵产虾青素的影响。
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