错误辨析题：there is one grammatical error in the senternce. choose the error that marked with a, b, c or d. on her (a) way to the supermarket yesterday morning, mary (b) met an old friend and (c) stopped talking with him (d) for quite a while.
模块独立性准则用定性指标()来衡量
在创业的早期阶段，加法思维是更为有效的基础性的策略
《广弘明集》的作者是（ ）
我国佛教的创宗立说期是指（）
由于所处环境不同，同一种离子在不同电解质溶液中的极限摩尔电导率是不同的。()
革兰染色的正确程序是 （ ）
滚动轴承的类型代号由（）
as for the sliding pair in a planar mechani, the location of instant center is located at ______________.
determine the type of the linkage and type of the two side links ab and dc (crank or rocker) according to the grash of criterion. the coupler bc rotates 360° with respect to the frame. lab = 45mm, lbc = 50mm, ldc = 60mm, lad = 20mm
药品飞行检查可以针对的环节包括：（多选题）
almost all machines contain only one basic mechani.
mechanis used in machines which have different functions and profiles may be the same.
下面所列各种制动方式中，属于黏着制动的有
the cam mechani below has the dimensions: r=50mm, loa=20mm,lac=80mm, j1=90 degree. cam 1 rotates at a constant angular velocity of w1 = 10 rad/s. counterclockwise. p12 is an instant center. the angular velocity w2 of follower 2 is equal to:
标准局于上个世纪___年代公布的des加密算法,是一种___密码算法。
a survey was conducted to determine how people rated the quality of programming available on television. respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). the stem-and-leaf display of the data is shown below. what percentage of the respondents rated overall television quality with a rating of 50 or below? stem leaves 3 2 3 4 0 3 4 7 8 9 9 9 5 0 1 1 2 3 4 5 6 1 2 5 6 6 7 0 1 8 9 2
gear mechanis can be used to tranit motion between ________.