What is the world archaeological Congress (WAC) and what relationship does it have with UNESCO?

世界考古学代表大会与联合国科教文组织是什么关系呢？

The image was taken by the spacecraft's Wide Angle Camera (WAC) on the Mercury Dual Imaging System (MDIS).

这幅图片是由飞船上双成像系统的广角摄像头拍摄。

First, WAC apps can't take advantage of a phone's hardware specifications, because they need to be written for all devices.

首先，WAC的应用程序不能充分利用到手机的硬件规格，因为需要对所有硬件都适用，就是得考虑所有种类的设备。

The adsorption property of waste-based activated carbon(WAC) to toluene, one kind of typical volatile organic compounds(VOCs), was studied.

研究了废弃物基活性炭对挥发性有机污染物中的典型组分——甲苯的吸附特性。

For instance, WAC applications couldn't make use of the iPhone's gyroscope, the LG Optimus 3d screen or the Motorola Atrix's dual-core processor.

比如说，WAC的应用程序无法利用iphone的陀螺仪，LG的Optimus 3d屏幕，或者是摩托罗拉的A trix双核处理器。