R (программчлалын хэл) — Википедиа нэвтэрхий толь
An Introduction to R. R books, has extensive list (with brief comments) of R-related books. R-bloggers, a daily news site about R, with 10,000+ articles, tutorials and case-studies, contributed by over 450 R bloggers. The R Graphical Manual, a collection of R graphics from all R packages, and an index to all functions in all R packages.
| UT275 газардуулгын эсэргүүцэл хэмжигч
UT270 series can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes. It can measure resistance from 0.01Ω with a resolution of 0.001Ω. UT275 can also measure leakage current up to 30A. These clamps'double insulation design makes them durable tools for outdoor work ...
| Олон үйлдэлт гагнуурын алх 909D
GORDAK 909D тэжээлийн блоктой үлээдэг болон тохируулгатай гагнуурын алх. This products is designed based on market research needs of 3 in 1 tool, it combines together in one common tool (soldering station, hot air rework, and power supply for repairing mobile phones), there kind of function can be used independent switch or simultaneously ...