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 ...
The company is headquartered in Hangzhou, China, Hikvision has expanded to a global operation with regional branch offices in Los Angeles covering the Americas; Amsterdam covering Europe; Dubai for the Middle East; joint ventures in India and Russia; as well as a maintenance center in Hong Kong.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.