Once you've dragged out your path, select the Pen Tool (p), right-click inside the rectangle, and then choose to Make Selection.
路径画好之后，选择钢笔工具(P)，右击矩形内部，选择建立选区。
Objective: To investigate the alteration and significance of P-selection in serum during trauma.
前言：目的：探讨创伤时患者血清中P -选择素的变化及意义。
Objective To investigate the serum level of P-selection (CD62P) and lysosome protein (CD63) in the patients with cerebral infarction and its effect on the cerebral infarction.
目的探讨急性脑梗死患者血浆P选择素(CD62P)、溶酶体蛋白(CD63)浓度的变化及其与脑梗死的关系。
By mainly using literature and logic method this paper discusses the traits, classification and selection of P. E. teaching model.
运用文献资料法、逻辑法对体育教学模式的特点、分类和选择进行了初步探讨。
Presently, variety improvement, increment in P, K and microelement and selection on suitable cutting period are main methods to improve yield and quality.
提高产量和品质目前人们主要是从品种改良和增施磷、钾及微量元素、选择适当刈割期等方面入手。
The result shows that P PEM is a simple, clear and practical original wave field model, which can be widely used in coastal works, such as the selection of harbour sites.
事实证明：P-PEM是一种简洁、实用的原始波场计算模型，适用于海岸工程方案规划比选等诸多领域。
The result shows that P PEM is a simple, clear and practical original wave field model, which can be widely used in coastal works, such as the selection of harbour sites.
事实证明：P-PEM是一种简洁、实用的原始波场计算模型，适用于海岸工程方案规划比选等诸多领域。
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