原置于武当山紫霄宫,1959年为湖北省博物馆收藏。 This artefact dates back to the Ming dynasty.It is 47 centimetres tall, 63 centimetres longand 44.5 centimetres wide.It is made of redcopper and plated with gold, but the gold has partly fallen off. T...
假设某计算机具有1 MB的内存(目前使用的计算机往往具有128 MB以上的内存)，并按字节编址，为了能存取该内存各地址的内容，其地址寄存器至少需要二进制 23 位。为了使4字节组成的字能从存储器中一次读出，要求存放在存储器中的字边界对齐，1字节的地址码应 24 。若存储器周期为200ns，且每个周期可访问4字节，则该...
and we still know little about the process of cultural inheritance. In this study, we propose a mechanism-driven definition of animal culture and test it in the fruit fly. We found that fruit flies have five cognitive capacities that enable them ...
Oasis Valley lies just across the state border from Death Valley National Park, where the parched desert is treated to seeps and springs that form the headwaters of the Amargosa River. Wetlands and riparian corridors create habitat for wildlife to thrive, including the Amargosa toad and Oasis ...
These works vary both in subject matter and methodology, but almost all of them oppose traditional approaches, even those in which the concepts that opened the way to structuralism were cultivated. The significance of this critical spirit cannot be ignored in evaluating modern structural folklore ...
A teamof researcherswondered whether closeness to people might impact thosesurvival strategies. “We often see that animals are more tolerant around us inurban areas, but we don’t really know why.” says evolutionary biologistDan Blumstein. “Is it individual plasticity, meaning individuals change ...
An ergonomic hand tool comprising a handle (5), a tool (6), and a hand tool body (O) joining the handle and the tool, characterised in that it comprises at least one support ridge (14) for supporting a thumb, when in use, the support ridge being arranged in or on the handle, the...