我们用序贯博弈模型 (sequential game)研究相互竞争的跨国企业（MNFs）关于是否发展新合同制造商的动态决策。

季节限定玩法也值得关注。四月中旬到五月，枸杞岛 (Gouqi Island)的贻贝养殖区会变成"海上牧场"，渔船穿梭的场景像极了《未来水世界》。九月开渔季，沈家门码头凌晨三点的鱼市拍卖堪比华尔街交易所，三米长的金枪鱼从远洋船直接滚进拍卖场，戴着头灯的鱼贩用手语竞价的样子，比任何商业大片都刺激。

Foreign direct investment in the Chinese mainland in actual use climbed by 13.2 percent year on year in March, the Ministry ...

On April 13, over 5,000 tree-form Chinese roses in full bloom were seen at the bridgehead of Huanghuayuan Bridge, as well as ...

本次广交会，佳联生技将重点展示酵素液、酵素粉、酵素锭等发酵食品领域的大健康生技食品解决方案;包括但不限于口服美容、体重管理、私密健康等产品解决方案，除此外还将展出新一代酵素果冻剂型健康生技产品，兼具口感、稳定性与便捷性。

BEIJING, April 18 (Xinhua) -- China's electricity consumption, a key barometer of economic activity, reported steady expansion in the first quarter of 2025, official data showed on Friday. Power use ...

Guangzhou Baiyun International Airport ranked among the world's top 10 busiest airports in 2024, according to the highly anticipated annual list released by Airports Council International (ACI) on Apr ...

频率计数器是电子测量中的核心工具，广泛应用于通信、嵌入式开发、射频工程等领域。然而，因其操作涉及信号特性、仪器设置和外部环境等多重因素，新手常因细节 ...

BEIJING, April 17 (Xinhua) -- China's investment in water conservancy facilities rose 2.9 percent year on year to 198.81 billion yuan (about 27.58 billion U.S. dollars) in the first quarter of this ...

为评估 1990 - 2021 年全球软组织及骨外肉瘤（STS）负担，研究人员分析全球疾病负担（GBD）2021 数据库数据。结果显示，全球年龄标准化发病率（ASIR）、死亡率（ASMR）和伤残调整生命年（DALYs）率虽下降，但绝对数上升且存在地区、性别差异。这为制定卫生政策提供依据。

贸易战没有赢家，与世界为敌只会自我孤立─中国国家主席习近平对于美国总统特朗普向全世界发动的关税战，市场分析家和媒体评论员最大的关注是：谁会先退缩？特朗普还是习近平？这是因为，特朗普虽然宣布给于早前在4月2日公布征收对等关税的180多个国家90天暂缓期 ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...