Form study of image is an analytical activity of structural system based upon the sequence of gradation differentiation, with the logic basis of gradation of colors being the unit acutance decomposition and structural organization format at various understanding levels in the work.

To improve the accuracy of digital MTF ( modulation transfer function) measurement system, two auto-focus evaluation methods ( acutance function method and mean square error function method) are introduced.

为了提高数字式光学传递函数测量的精确度，介绍了2种自动对焦评价方法：锐度函数法和均方差函数法。

Phase coating on roof prism serves mainly for reducing interruption of light inside roof prism and thus enhance acutance of images.

在屋脊棱镜上镀制相位膜，其主要目的是为了减小屋脊镜内光波的干涉，增加影像锐度。

Experiment shows that acutance function method is better than mean square error function method. The error factors are analyzed and corresponding improvement approaches are put forward.

实验结果表明在该系统中锐度函数法作判据的效果要优于均方差函数法，最后分析误差因素并提出修正途径。

System-modulation-transfer acutance

【摄】系统的调制传递锐度

There's an acute accent on the first "e".

在第一个e上标有一个尖音符。

Acute accent: Accent above the letter e.g. cafe.

尖音符号：英文e字上边的音标。例如cafe。

RIFLE criteria for acute kidney injury in adult patients after cardiac valve operation

肾功能评分在心脏瓣膜术后急性肾损伤的应用

Retrospective analysis of acute kidney injury after open heart surgery under cardiopulmonary bypass

体外循环手术后急性肾损伤临床研究

Glutathione in treatment of drug induced acute kidney injury

谷胱甘肽治疗药物性急性肾损害

Drug-induced acute kidney injury: a clinical and pathological analysis

药物致急性肾损伤的临床及病理分析

Risk Factors of Complicated Acute Kidney Injury in Elderly Patients with Chronic Nephropathy

老年慢性肾脏病并发急性肾损伤的危险因素分析

Risk Factors and Prognosis Analysis of Acute Kidney Injury in Traumatic Brain Injury Patients

脑外伤患者发生急性肾损伤的危险因素及预后分析

In ischemic acute kidney injury, renal blood flow is decreased.

在急性缺血性肾损伤中，肾血流量是减少的。

Clinical risk factors of acute kidney injury after angiography

血管造影术后急性肾损伤的临床相关危险因素探讨

Diagnosis and Treatment of A Case of Acute Kidney Injury in Canine

1例犬的急性肾损伤病例的诊断和治疗

Every day I feel the sun in the window, shadows, traffic, and changes in acute triangle.

我每天在窗口感受到阳光、影子、车流和锐角三角形的变化。

A difference replacement demonstration of the geometric inequalities of acute triangle and the corresponding application program

锐角三角形几何不等式的差分代换证法及应用程序

Synthesis and properties of nickel borate acylate

硼酰化镍的合成及性能

This article studies the relationship between impermeability of acylate spray membrane and its applied position in underground construction.

研究了丙烯酸盐喷膜防水材料防水性能的发挥与其在地下结构中的施作部位的关系。

Study on the epoxy adhesive modified with liquid acylate rubber

丙烯酸酯液体橡胶改性环氧树脂胶粘剂的研究