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Triangulation surveys were based on a few carefully measured baselines and a series of angles. The initial baseline was measured with great care since the accuracy of the subsequent survey was critically dependent upon it.
The height of a benchmark is calculated relative to the heights of nearby benchmarks in a network extending from a fundamental benchmark. A fundamental benchmark is a point with a precisely known relationship to the vertical datum of the area, typically mean sea level. The position and height of each benchmark are shown on large-scale maps.
These points are called permanent benchmarks and this survey process is known as Great Trigonometrical Surveying (GTS). The permanent benchmarks act as reference points for determining RLs of other locations in a particular country. [4] [5] [6] [7]
A benchmark is a type of survey marker that indicates elevation (vertical position). Horizontal position markers used for triangulation are also known as triangulation stations. Benchmarking is the hobby of "hunting" for these marks.
Many of the letter combinations have their origins in named trim levels, with DX and DL meaning "Deluxe," GL "Grand Luxe," SE "Special Edition," GT "Gran Turismo," and so on. In North America, long-running designations for high-performance trim levels include Chevrolet's " SS " (first introduced on the 1961 Impala ) [ 6 ] and Ford's "GT" (first ...
Benchmarking is the practice of comparing business processes and performance metrics to industry bests and best practices from other companies. Dimensions typically measured are quality, time and cost.
gt One drop gtt drops GSL General sales list Gutt/g Guttae (drops) Meds Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) qds/qid Four times a day Rx Prescription tds/tid Three times a day
The first models to arrive after the original GeForce 2 GTS was the GeForce 2 Ultra and GeForce2 MX, launched on September 7, 2000. [7] On September 29, 2000 Nvidia started shipping graphics cards which had 16 and 32 MB of video memory size. Architecturally identical to the GTS, the Ultra simply has higher core and memory clock rates.