1. 花鼓：轮圈(Rims) + 钢丝幅条(Spokes) + 幅条接头(Nipples) + 花鼓(Hub)像旅行车( Trekking Bike )可以加装货架,适合长途旅行如环岛的路程使用. 城市车( City Bike )适合在都市内当一个单车贵族短程通勤用.

2. hub是什么意思

2. 轮毂：主要产品及服务:在线检测设备; 刹车制动盘在线自动测量设备; 车桥自动测量设备; 外轮裂缝自动检查设备; 凸轮轴自动测量设备; 轮毂(HUB)自动测量设备; 制动毂自动测量设备; 材料检测设备; 活塞自动测量设备; 连杆自动测量设备;

3. 集成器：计算机网络基础、WIN2000服务器的安装和管理、WIN2000无盘终端技术、综合布线、双绞线和同轴电缆的制作、集成器(HUB)交换机(SWITCH)的安装、ADSL网吧的组建与日常维护.

4. hub：to hub; 跳接线

1. （活动的）中心，核心
    You can describe a place as a hub of an activity when it is a very important centre for that activity.

    e.g. The island''s social hub is the Cafe Sport...
           该岛的社交中心是“体育咖啡馆”。
    e.g. As a hub of finance and communications, Paris is now almost equal to London.
           作为一个金融和交通中心，巴黎现在几乎可媲美伦敦。

2. （轮）毂
    The hub of a wheel is the part at the centre.

hub的近义词

3. 航空枢纽;中心机场
    A hub or a hub airport is a large airport from which you can travel to many other airports.

    e.g. ...a campaign to secure Heathrow''s place as Europe''s main international hub.
           旨在稳固希思罗机场作为欧洲主要航空枢纽地位的宣传活动

4. （网络）集线器
    A hub is a device for connecting computers in a network.

1. the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

2. a center of activity or interest or commerce or transportation
    a focal point around which events revolve

    e.g. the playground is the hub of parental supervision
           the airport is the economic hub of the area