查询词典 subtraction

Moving point accumulation was applied to extract the background, and then background subtraction was employed to detect moving objects.

使用运动点积累的方法来更新背景图像，然后应用背景差分准确检测出场景中的运动目标。

Have the same number of rows and rows of the matrix between the adder, subtraction.

具有相同行数和列数的矩阵间的加法、减法。

In addition, Koopmans' Theorem makes the assumption that upon the addition or subtraction of a single electron to or from the system, the Fock operators for all of the remaining electrons will not change at all.

Koopmans定理还假定如果体系增加或者减少一个电子，其余电子的Fock算子不发生变化。

Our objective is not to grow, there is a saying : Haier is additive, 170,000 is subtraction.

我们的目的不是为了做大，有一种说法：海尔是加法，万科是减法。

This procedure using C language, completing a polynomial algebraic computation, addition and subtraction by.

详细说明：本程序用C语言编写，完成一元多项式的代数运算，加减乘。

Objective To explore the application of whole brain digital subtraction angiography in diagnosis of ischemic cerebrovascular disease.

目的 探讨全脑数字减影全脑血管造影在缺血性脑血管病诊断中的应用价值。

Abstract］ Objective To evaluate the role of three-dimensional （3D） digital subtraction angiography in the diagnosis and treatment of symptomatic intracranial arterial stenosis.Methods Stent-assisted angioplasty was performed on 30 patients with symptoms of intracranial artery stenosis by 3-dimesion（3D） method.These imagings were reviewed by different locations to get information of optimal projection angle in 2D angiography.

目的 探讨三维重建技术在颅内动脉狭窄的诊断和治疗中的应用方法对使用具有三维重建功能的美国Advantx LCN+型X线血管造影机进行的30例症状性颅内动脉狭窄的患者的支架成形术进行回顾性分析。

Methods Using digital subtraction angiography and direct ophthalmoscopy the location of aortitis lesions and changes in ocular fundi of 87 cases with aorta-arteritis were examined.

对87例经数字减影血管造影(digital subtraction angiography DSA)和直接眼底镜检查的大动脉炎患者的动脉受累部位与眼底改变的关系进行分析。

Subtraction: The arithmetic operation of finding the difference between two quantities or numbers.

减法：求出两个量或数的差别的算数运算

The basic definition of Boolean quantities has led to the simple rules of addition and multiplication, and has excluded both subtraction and division as valid arithmetic operations.

布尔数量的基本的定义引导了加法和乘法的简单规则，同时排除了减法和除法作为合法的算术运算。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。