与大多数现代编程语言一样，需要使用AND和OR语句对表达式或它们的值进行条件运算。
Like in most modern programming languages, the and and or statements are necessary for definitive conditional evaluations of expressions or their values.
这样就添加了一个新的模板条件，两个条件之间用AND运算符连接。
A new template condition is added with an AND operator connecting the two.
过滤条件可以指定为列名，其后跟等式、不等式或布尔运算符，然后是过滤值。
Filter criteria are specified as the column name, followed by an equality, inequality, or Boolean operator, followed by the filter value.
您可以使用AND和OR运算符添加附加筛选条件。
You can add additional filter criteria with and and or operators.
列表中另一个常用的运算是过滤：根据某些用户定义的条件过滤列表中的项以创建一个较小的列表。
Another common operation on lists is filtering: creating a smaller list by filtering items in a list based on some user-defined criteria. Filtering is illustrated in Figure 5.
MongoDB支持各种条件运算符，包括。
MongoDB supports a variety of conditional operators, including.
接下来选择运算符”isgreaterthan“，最后类型”Number“值为 0.0的被选择为最后一个条件。
Then the operator "is greater than" is selected and finally the type "Number" with value 0.0 is selected for the last term.
采用随机事件的条件概率的运算法则，引入失效模式间的条件关联系数来反映结构之间的失效相关性。
Adopting algorithm of random event 'conditional probability and introducing condition association coefficient of failure mode can reflect failure dependence of structure.
合成孔径成像是提高图像方位向分辨率的有效方法，但算法运算量大，在机载条件下往往实时性得不到保证。
The focused synthetic aperture imaging processing is the available method to improve the azimuth resolution, but the operational quantity is so large that it could not accomplish in real time.
重点分析了加(减)运算中的进位传输的条件和时间。
It analyse condition and time of carry transmission in the operation add (subtraction).
另外该改进方法解决了在周期内进行的大量相关运算和条件判断问题，成功实现了计算周期内各个光纤传感器解调信号波形的相对位置。
This new way solves a great deal of correlation operation and condition judgment in a period, and finally succeeds in computing the relative position of each demodulation signal wave in a period.
为使结果更切合实际，在运算中引入了积分平均值的概念以及象移决定仪器分辨率这一条件。
In order to conform well with the actual situation, the conception of the integral average and the condition of the image shift deciding resolution are introduced into calculations.
本文给出用运算放大器实现负电阻的实验电路及其分析，主要讨论电路的稳定条件。
In this paper, the electric circuit of linear negative resistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
给出了关于右等价群有限决定的光滑函数芽在函数芽运算下仍保持有限决定的一些充分条件。
In this paper are given some of sufficient conditions for finite determinacy relative to right equivalent group of smooth function-germs to be preserved under the operation of function germs.
而连分式的运算是有条件的，且计算量较大。
So the feasibility of their algorithms is conditional and they need a large amount of calculation.
在高数据采样率，特别是大时宽带宽积条件下，时域的数字正交采样和脉冲压缩包含大量的乘加运算。
The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time bandwidth product is not small.
语音编码的基本问题就是在给定编码速率的条件下如何得到尽可能好的重建语音质量并保证尽可能小的编解码时延和适当的运算复杂度。
The fundamental of speech coding is the fact that how to get better quality of reconstructed speech and ensure the less time delay and proper operational complexity at the given coding rate.
分析了如何将遗传算法用于自由飞条件下的飞行冲突探测与解脱问题，并介绍了基本遗传算法的原理和运算步骤。
It also analyses how to use genetic algorithms to free flight conflict detection and solving. The principles of simple genetic algorithms (SGA) and its operation steps are introduced briefly.
在嵌入式软件的设计过程中，如何在有限的硬件资源条件下提高软件的运算精度，是影响软件性能的一个重要问题。
In the designing process of embedded software, it is an important problem that how to improve the operation precision with limited hardware resources.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
以这三个约束条件为依据，作者提出了一种基于电流运算的三维电动机矢量控制方法。
Based on 3 restricted conditions, authors propose a vector control method for three-dimensional motor using currents operation.
在现有计算机内存和运算速度条件下，电性各向异性地层中频率域电磁响应的数值模拟是一个难点。
The numeric simulation of electromagnetic responses in frequency domain for electrical anisotropic formation is a challenge in current conditions of computer memory and operation speed.
采用随机事件的条件概率的运算法则，引入失效模式间的条件关联系数来反映结构之间的失效相关性。
Adopting the algorithm of conditional probability of random events, the coefficient of conditional connection between failure models may be introduced to show the failure relevance between structures.
对构件及构件关系进行抽象化，研究了调用运算、协作运算和条件运算这三种构件运算关系。
By abstracting component and component relationship, this paper studies three component operation relationships, namely transfer operation, cooperation operation and condition operation.
设计方案通过在线工况识别、区间优化和约束条件运算等技术完成了整个优化算法。
The process includes the technique such as operation condition identification, optimization in operation region of adjustable parameters and state of restriction.
本文探讨用向量运算代替串行FORTRAN的DO循环的基本条件，提出了向量化判别定理以及实现向量化的算法。
Conditions for vectorization of FORTRAN DO-loops are discussed in this paper. Based on these conditions, the decision theorems and the algorithm for vectorization are given.
该方法为基于该运算的串行生产线理论研究提供了便捷的条件，并为极大代数的应用提供更优越的条件。
This method offered a convenient term for studying serial - production-line based on maximum algebra and provided more advantages for the application of maximum algebra theory.
在满足实时成像和一定分辨率的条件下，分析了系统对运算速度的要求，提出了一种改进的快速傅里叶算法及其实现方法。
Under the conditions of meeting the real time imaging and given resolution, the algorithmic speed required by the system is analyzed. And an improved FFT algorithm and its implementation are given.
为了提高有序组合树法的运算效率，必须充分利用约束条件中的有关信息。
To increase the efficiency of sequential combination tree method, it is necessary to make full use of information in the constraint conditions.
为了提高有序组合树法的运算效率，必须充分利用约束条件中的有关信息。
To increase the efficiency of sequential combination tree method, it is necessary to make full use of information in the constraint conditions.
应用推荐