【单选题】The clear terminal of the decade counter IC74F160 is known as an asynchronously input, What is the modulus of the following circuit(______)?已知十进制计数器芯片74F160的清零端子是异步工作的,下图所示电路的进制是(______)。【图片】
【简答题】ysis and calculation questions: u he sieve ysis results of sand is as follows: Sieve size/mm 4.75 2.36 1.18 0.60 0.30 0.15 <0.15 Weight/g 20 65 85 90 110 110 20 Please answer: a) What is the f...
【简答题】Young’s modulus for an elastomer at 25 O C is 3MPa, What is the shear modulus? What is the stress if a sample 1cm ́ 1cm ́ 10cm is stretched to 25cm length at 100 O C?