男性，23岁。反复高热3个月，经抗生素治疗无效。查体：贫血貌，浅表淋巴结未触及肿大，肝、脾肋下3指。血象：WBC 3.5×109/L，Hb 80g/L，血小板32×109/L。骨髓象：分类不明细胞为5%，余未见异常。Hams试验阴性。腹部、胸部CT未发现深部淋巴结肿大。 该患者不能排除下列哪项疾病 ...
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// Surfels centers are elevated by node_elevation_distance_, and are stored in this // octomap, this maps is used by planner to sample states that are // strictly laying on ground but not touching. So it constrains the path to be on ground // while it can elevate thorogh ramps or...
\hl{I} \colorbox{Orange}{APD} Avalanche photodiode, biased near reverse breakdown, avalanche, energetic electron (hole) release its kinetic energy by generating an additional electron-hole $\rightarrow$ impact ionization \hl{I} Usually separate absorption and multiplication (SAM) structure is used...
1.We should discourage people from using their cars in the city centers. {A; B; C} A. 我们应该鼓励人们在市中心开车。 B. 我们应该鼓励人们不要在市中心开车。 C. 我们应该劝阻人们不要在市中心开车。 2.Car owners may probably be against it at first, but people who use public tr...
Experts from the Western Sichuan Literature Repair Centers examined the book's printing and typeface and said that the book is likely from the late Qing Dynasty, but weren't sure of the specific year. History experts say that the phen...
A dog barks, for example, when a stranger comes near. A cat purrs when it is pleased. Some birds make several different sounds, each with its own meaning. Sometimes we human beings speak in the same way. We make sounds like "Oh" or "Ah" when we are frightened or pleased or when ...
A. Along the Xiangshui River.B. In the Xiangyang Park.C. Near the Xianshan Square.3. What's Frank doing now?A. Doing the dishes.B. Reading a book.C. Having an online class.4. Why does Mike become stronger?A. He runs.B...
初二学生曹丽,原本成绩中上等,但在一次期中考试时成绩突然下滑而受到老师的批评。后 ,她每次考试都很紧张,明明已经掌握的知识在考场上却全忘记了。曹丽的心理症状是( )。A.考试焦虑B.抑郁症C.学习苦难D.恐怖症的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuat
The three-man crew stood holding their drinks and thankedengineers in two NASA centers that worked on the system. “This is something that had been the stuff of science fiction,” American astronaut Michael Barratt said before taking a small mouthful. “The taste is worth trying.” The new ...