Yes, all rhombuses are parallelograms, but not all parallelograms are rhombuses. This is because the definition of a parallelogram is more lenient than that of a rhombus, so you can have parallelograms where not all four sides are equal in length to each other.
HIKVISION iVMS-4500 is a mobile phone surveillance application just based on iPhone, which supports the full line of Hikvision products, including the DS-7000/8000 series DVRs (dual stream models), DS-7300/8100 series DVRs , DS-9000/9100 series DVRs, DS-6000/6100 series digital video servers, as well as network cameras and speed domes that support ...
Hikvision Digital Technology Co., Ltd. is the worlds largest supplier of video surveillance products and solutions.Established in 2001, Hikvision employs over 13,000 employees, including a research and development staff of more than 4,000.Hikvisionâs product offerings include hybrid DVRs, NVRs, standalone DVRs, digital video servers, compression cards, high-definition IP cameras and speed domes.ikvision is listed on the Shenzhen Stock Exchange with a market capitalization of US $5.6 billion. The Hong Kong-based billionaire, Gong Hongjia, is vice-chairman and the largest shareholder.