hand lens वाक्य
"hand lens" हिंदी में hand lens in a sentenceउदाहरण वाक्य
- Naderi said, unable to conceal his excitement over the new project : " Our Martian rovers will each have eyes to seek out promising rocks from four feet above the ground, a tool to grind the rock surfaces, a camera just like a hand lens to examine the fine grains within the rocks, and five instruments to analyze the chemistry of the rocks and nearby soil in detail ."