查询词典 necessary condition

Confidence is a necessary condition for success.

信心是成功的必要条件。

At the same time, it should create a necessary condition for the research and development of high and new technologies.

这给全世界的企业，包括我们亚太地区的企业，带来了新的机遇和挑战。

Which is the foundation, and only professional morality is the necessary condition.

其中专业只是是基础，道德素质是必要的条件。

Thus pain and suffering are a necessary condition of our understanding of our happiness.

所以，痛苦和磨难是我们理解我们的快乐的必要条件。

Energy is the base for human society development. And environment is the necessary condition of continuable development.

能源是人类社会向前发展的基础，环境是人类可持续发展的必要条件。

But it does seem to be a necessary condition for the long-term success of nations.

不过，人口增长却似乎是一个国家长期成功的必要条件。

Sufficient time and energy is a necessary condition for successful investment.

充足的时间和精力是投资成功的必要条件。

Effective management is the necessary condition of informative project success.

有效的管理是信息化项目成功的必要条件。

A important result is the one-order expression of AR Yt = DYt-1 + E, from paralleling a high-order differential equation transformation into a one-order differential equation system, the one-order expression exposes that the AR is only a certain more-multivariable power series processAnd, if a process is described as an AR, the sufficient and necessary condition is the spectrum norm A of the coefficient matrix D less than one.

作者用高阶微分方程化一阶微分方程组的方法，获得多元弱平稳序列p阶自回归模型的一步滑动平均表达式，证明了AR的是一个更高维的幂级数的线性过程，从而，说明了AR关于序列依概率成立的充要条件是：该模型更高维的幂级数的线性过程的表达式中系数矩阵D的谱范数λ＜1。

Chet - Kolmogorov theorem,then obtains a necessary condition of the optimal solution to the nonlinear control problem according normal cone principle.

然后利用法锥理论得到了最优解存在的必要条件。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。