You are creating a Windows Forms application by using the .NET Framework 3.5.The application stores a list of part numbers in an integer based array as shown in the following code segment （Line numbers are included for reference only） You need to use a LINQ to Objects query to perform the following tasks： - Obtain a list of duplicate part numbers： （1）Order the list by part numbers （2）Provide the part numbers and the total count of part numbers in the results Which code segment should you insert？（） ["A","B","C","D"]
激光铅直仪的主要功能是（）。 ["测高差","测角度","测坐标","点位竖向传递"]
邓女士，33岁，上腹疼痛伴畏寒、发热3d入院。3d前突然出现上腹部偏右持续性刀割样疼痛，阵发性加剧，向右肩背部放射，伴恶心呕吐，厌食。ld后相继出现畏寒、发热，粪便呈淡黄色，尿少呈黄褐色。查体：体温39.2℃，脉搏110/min，血压120/80mmHg，神志清楚，皮肤、巩膜黄染，右上腹压痛，肌紧张。实验室检查：WBC2.0×109/L，中性粒细胞0.85。血清总胆红素152μmol/L。B超提示肝外胆管扩张，内有强光团声影。护士对该患者应重点观察的项目是（） ["尿量、尿色","腹部症状、体征","血压、精神","恶心、呕吐","体温变化"]
（）式缸套顶面要与机体安上平面平齐，（）式缸套顶面套高出机体上平面0.05~0.15MM。
简述射流泵的工作原理？
提高发动机实际工作循环热效率的基本途径是什么？可采取哪些基本措施？
