The application of the signs of bending moments of cross-section and rod end in stress analysis of beam, rigid frame and displacement method are introduced.
介绍了截面弯矩、杆端弯矩正负号在梁、刚架、位移法等部分计算中的应用,并详细分析了它们之间的本质区别和联系,为结构力学初学者提供了方便。
It is necessary and efficacious that we show vector direction with sign on solving some physical problems.
在物理学中用正负号表示矢量方向研究、解决问题有时是必不可少的；有时往往事半功倍；但有时回避用正负号表示矢量方向可使解决问题的过程简化。
Negative sign symbol:~~Tap a symbol to indicate negative numbers.
负号:~~点击用于表示负数的符号。
Pay special attention to the sign of the answer.
特别注意答案的正负号。
Note that the high bit represents the sign: 0 means positive and 1 means negative.
注意高位代表正负号：0为正，1为负。
Relating to or designating the sign(-).
负号的有关或表示符号(－)的
any of the natural numbers (positive or negative) or zero.
和带正号或负号的自然数。
He seem to have mistake a plus for a minus
他似乎把正号误作负号了.=>App4见附录4
He seems to have mistake a plus for a minus.
他似乎把正号误作负号了。
He seems to have mistaken a plus for a minus
他似乎把正号误作负号了. =>App4见附录4
a numerical value regardless of its sign.
一个实数在不计其正负号时的值。
The reason for the minus sign is the same as in Section 33-2.
出现负号的原因与33-2节所讲的相同。
It is now necessary to introduce a sign convention for radii of curvature.
现在必须介绍曲率半径的正负号规则。
POSITIVE AND NEGATIVE SIGNS IN THE CALCULATION OF RUTHERFORD FORMULA
推导卢瑟福公式过程中的正负号问题
a logger who marks trees to be felled.
负责对被砍倒的树作记号的樵夫。
Returns the positive (+1), zero (0), or negative (-1) sign of the given expression
返回给定表达式的正(+1)、零(0)或负(-1)号
inverse signal feedback
负反馈，相反信号极性反馈
Broad pronouncement of the week: We are entitled brats.
本周特大号外：我们都是自负的“牛人”
Jean-Luc Picard asses cmand of the U.S.S. Stargazer.
毕凯负责指挥星舰「凝星者号」。
The unary minus produces the negative of the value.
一元减号得到的运算对象的负值。
