【摘 要】
：
The task of using the machine learning to approximate the mapping x→Σi=1^d xi2with Xi∈[-1,1]seems to be a trivial one.Given the knowledge of the separable structure of the function,one can design a sparse network to represent the function very
【机 构】
：
DepartmentofMathematics,DepartmentofMathematics,DepartmentofMathematics,ComputationalResearchDivisio
【基金项目】
：
the Department of Energy under Grant No.DE-SC0017867,the CAMERA program(L.L.,J.Z.,L.Z.-N.),the Hong Kong Research Grant Council under Grant No.16303817(Y.Y.),We thank the Berkeley Research Computing(B
论文部分内容阅读
The task of using the machine learning to approximate the mapping x→Σi=1^d xi2with Xi∈[-1,1]seems to be a trivial one.Given the knowledge of the separable structure of the function,one can design a sparse network to represent the function very
其他文献
OFFERING fast,low-cost delivery,foreign-based warehouses have become an important platform for the development of cross-border e-commerce.These warehouses are now improving and expanding their global network.
B族链球菌(group B Streptococcus,GBS)是导致新生儿感染的主要病原体。孕妇消化道和泌尿生殖道GBS定植是新生儿早发型GBS病(GBS early-onset disease,GBS-EOD)的主要危险因素。约50%GBS定植的孕妇会将细菌传播给新生儿。若产时未预防性静脉应用抗生素,1%~2%的新生儿会发生GBS-EOD。本共识旨在规范妊娠期GBS筛查时机和检测方法、妊娠期GBS菌尿的诊治以及产时预防性抗生素使用方案,指导临床实践,预防新生儿GBS-EOD。
EXCHANGES between China and Africa are of a long standing and well-established nature,dating back to the Han Dynasty(206 BC-AD 220).According to historical records,China’s goods such as silk were introduced to Egypt around that time.With the development o
每谈到中世纪,人们马上联想到“黑暗时代”(the Dark Ages),这种印象大多来自中世纪初期到中期(公元5~14世纪)西方社会的倒行逆施。不过,英语谚语有云,“硬币有两面”,即凡事都有两面性。人们也应看到,中世纪后期(公元15~16世纪)在经济、政治和社会等方面出现了重大变革,史称“理性时代”(the Age of Reason),为随之到来的文艺复兴奠定了基础。中世纪是一个既有倒退也有前进,“独一无二、有启发性的时期”。
想要建构高阶多声道音响系统,又不希望喇叭占据寸土寸金的居家空间,嵌入式喇叭是最好的选择,音响领域中大名鼎鼎的法国Focal看见了顶级用户的需求,推出全新CI 1000系列Utopia乌托邦极品影院。当两声道的Utopia元素融入到CI定制安装领域。
绿色生态风电:云南风电直接从2MW进入5MW时代与前几批项目一样,阿岗二期继续了前几轮招标的大机型需求。根据招标公告显示:采购单机容量4-5MW风力发电机组,风电场总装机数量不大于12台,轮毂高度不低于95m且叶片下叶尖对地距离不低于17m,装机总容量不大于55MW。也就是说,该项目的平均单机容量不低于4.58MW,再次提升了云南项目的单机容量记录。毫无疑问,在风速好的机位,采用5MW容量及以上的风机已经是毋庸置疑。
膝骨性关节炎与外伤、衰老、过度劳损、代谢等因素密切相关,以关节软骨变性、关节面破坏、滑膜增生、骨赘增殖等病理特点为主。本病患病率与年龄有关,随着年龄增加,疾病发生风险也会不断升高,但有明显症状者仅在15%~20%[1]。西医主要选用激素、镇痛药物.
2021年7月1日中国共产党百年华诞,从战火纷飞、饥餐浴血穿越百年历史华章,那个红色年代的旋律,诸如电影《上甘岭》插曲《我的祖国》、电影《铁道游击队》插曲《弹起我心爱的土琵琶》、电影《英雄儿女》主题曲《英雄赞歌》等,如今依然在中华大地上感动着我们这一辈华夏儿女。
WITH an equally vast territory as China， the United States has a population of only 300 million； by contrast， China’s population has reached 1.4 billion， which is the total sum of the populations of a
目的了解口腔种植治疗中利多卡因喷雾对咽反射敏感患者的咽反射抑制效果。方法将90例咽反射敏感的口腔种植患者分为两组:观察组和对照组,每组各45例。观察组将1.5%利多卡因注射液喷于舌根、软腭及咽部;对照组将2%利多卡因胶浆涂抹于舌根部。记录两组恶心呕吐及高血压发生例数,记录舒适度评分。结果两组恶心呕吐发生率、高血压发生率及舒适度评分有统计学差异。结论可见利多卡因喷雾用于咽反射敏感的口腔种植患者,能够减少恶心呕吐及高血压的发生,提高舒适度。