查询词典 if necessary

This is the necessary – but limited – function of the state acting through law

这是通过法律的国家行为的必然的——但是有限制的——功能。

The licensing obligation under the Policy is limited only to "Necessary" intellectual property.

本政策的许可义务只限於「必要的」智慧财产。

But why can't the skeptic make the same point while limiting herself to asking for proof of the universal and necessary validity of deductive inference?

但是，难道怀疑论者就不能针对其提出质疑，但她自己依然依它而提出问题吗？

For Guo, it is necessary for an outstanding painter to perfect a skill, just like Mr. Li Keran practicing and illustrating with all his life the truth that you have to be a limner first then a painter.

对他来说，完善一种技术是一个优秀画家所必须具备的条件，诚如李可染先生用一生的时间和实践来阐明的那样，必须先做画匠，然后才能去做一个画家。

The economic nature, characteristics and content of the economic entity of Saint Linage are different during different periods, and thus it has a necessary to research and analysis the economic phenomenon theoretically to find the nature and the social function of saintly linage in different periods.

门宦经济的性质、特征和内容都在不同的时期是不同的，因而对此有必要从理论上进行考察、论证和分析，以透过这种现象发现门宦经济在不同的时期的本质特征和社会功能。哲赫忍耶作为西北最大的门宦，其经济实体在清末民国时期是比较雄厚的，影响也是比较大的。

Lincolnshire Police said screening out was necessary in order to make best use of limited resources.

林肯郡警方称，检查出是必要的，以便最有效地利用有限的资源。

I use the line art as guide lines, so it's not necessary, to my opinion, to have the cleaner sketch in the world.

我将那些艺术线条当作指导，所以对于我的而言清洁工补充在这个世界里并不是必要的。

In Chapter 2, the D-symmetric solutions of matrix equation A~TXA = B on the linear manifold S ={X ∈ D~(-2)SR~|XZ = Y, Y = Y{D~2Z+D~2Z, Z~TD~2Y = Y~TD~2Z, Y,Z∈ R~}, by applying the generalized singular value decomposition of a matrix pair, the necessary and sufficient conditions for the existence and the expressions for the D-symmetric solutions of matrix equation A~TXA — B on the linear manifold are established.

运用矩阵对的广义奇异值分解，给出了这类线性流形上矩阵方程A~TXA=B存在D对称解的充要条件及其通解的表达式。另外给出了它的D对称最小二乘解的表达式。

In Chapter 4, the centro-symmetric solutions of matrix equation A~TXA = B on the linear manifold S ={X ∈ CSR~|||XY - Z||= min, Y,Z ∈ R~|}, using the quotient singular value decomposition of matrix pairs, the necessary and sufficient conditions for the existence and the expressions for the centro-symmetric solutions of matrix equation A~TXA = B on the linear manifold are established.

利用矩阵对的商奇异值分解，给出了这类线性流形上矩阵方程A~TXA=B存在中心对称解的充要条件及其通解表达式。

Chapter four (application of chaos in measurement field): In this chapter firstly the sensitivity of initial values and parameters that chaos can be used in the measurement field has been analyzed quantitatively, on this basis, the necessary conditions of chaotic system that can be used in measurement are concluded and presented; then the mechanism of measurement implemented by subsection linear map chaotic system, the coordinating relationship between chaotic output signal and the values being measured, and the precision of system measurement are further analyzed quantitatively.

第四章（混沌在测量领域中的应用）首先对混沌可用于测量领域的初值敏性和参数敏感性进行了定性分析，在此基础上，归纳并提出了可用于测量的混沌系统应具有的必要条件；定量地分析了分段线性映射混沌系统实现信号测量的基本原理、输出混沌序列与被测量间的数值对应关系及系统的测量精度等问题；并以DSP为核心设计了混沌型电压测量系统；其次提出了混沌参数敏感性用于测量的基本思路，并对此进行了计算机仿真及原理性实验电路设计。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。