...光子激发（two-photon excitation）的特点又保证了该显微镜只有很小绕射极限（diffraction-limited）的聚焦体积（focal volume），只有这个体积之内的荧光分子才能被激发，发射出可见光。这种三维红外激发体积能以光栅扫描的方式扫描组织样品。
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The basic volume composing the design consists of a series of staggered prisms following the natural topography of the land and also placing the tree as a focal point or heart of the project.
组成设计的基础体量包括一系列交错的棱形柱，遵循场地的天然地形，也将树木作为项目的焦点或核心。
Results KNT could alleviate volume of cerebral infarct caused by focal cerebral ischemia in a dose- dependent manner and improve neurological symptoms.
结果抗脑血栓片可依剂量性减轻大鼠局灶性脑缺血所致的脑梗塞体积以及改善由脑缺血引起的神经症状。
Objective: To study the influence of reperfusion after ischemia for different time on cerebral infarction volume and neurological function of the focal ischemia reperfusion model in rats.
目的：研究不同缺血时间对大鼠局灶性脑缺血再灌注模型脑梗塞灶体积及神经功能缺损的影响。
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