中山大学研究生ERP理论 ppt 课件 共14章-Sun Yat-sen courseware ERP theory ppt

论文：Information environment, market-wide sentiment and IPO initial returns: Evidence analyst forecasts before listing-Measuring the information environment of firms using analyst (price) forecast bias and forecast dispersion before listing, we e

Energy cost of transmitting a single bit of information is approximately the same as that needed for processing a thousand operations in a typical sensor node. Thus, a practical way to prolong a wireless sensor network lifetime is to reduce the senso