However, if you have two elements where there is no direct parent-child relationship and they do not lie on the same level in the tree structure, their event firing sequence is not fixed.
但是，如果您拥有两个没有上下级关系的元素，而且它们在树形结构中不是同一层次，那么它们的事件引发序列就是不同的。
Oozie workflow is a collection of actions (i.e. Hadoop Map/Reduce jobs, Pig jobs) arranged in a control dependency DAG (Direct Acyclic Graph), specifying a sequence of actions execution.
Oozie工作流是放置在控制依赖DAG（有向无环图Direct Acyclic Graph）中的一组动作（例如，Hadoop的Map/Reduce作业、Pig作业等），其中指定了动作执行的顺序。
However, P8 does not provide direct access to database sequence number types, so you must use other mechanisms.
不过，P 8不提供对数据库序列号类型的直接访问，因此您必须使用其他机制。
Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.
其中直接序列扩频通信是目前使用最典型的扩频工作方式。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
As the direct application for recovering response function from a video sequence, we use the response curve calibrated above to solve the problem of pixel value differences in panorama.
作为视频序列的高动态图像获取的直接应用，本文用视频序列标定的响应曲线来校正全景图的颜色差异。
Direct sequence code division multiple access (DS/CDMA) as a technique for underwater acoustic networks is attracting attention from researchers.
直接序列码分多址（DS/CDMA）是一种受关注的水下声通信网多址接入方案。
Direct sequence spread spectrum (DSSS) and despreading first structure is most advantageous of all kinds of spread spectrum techniques.
扩频系统中性能最好的是直接序列扩频的先解扩后解调方式。
On the basis of principle and struture of GM(1, 1)model, and a series of derivation and transformation, the direct model operation method from original sequence was given.
从GM（1，1）的建模原理和模型结构特征出发，通过一系列的推导、变换，给出了直接从原始序列出发求解模型的方法。
A better method for direct sequence spread spectrum (DSSS) receiver to decrease the acquisition time is proposed.
提出一种减小直接序列扩频(DSSS)接收机信号捕获时间的改进方法。
Spread spectrum has two distinct flavors: direct sequence and frequency hopping.
该技术有两个明显的变型：直接顺序与跳频。
An algorithm for the suppression of narrowband interference in the direct sequence spread-spectrum (DSSS) systems is presented.
提出了直接序列扩频通信系统中抑制窄带干扰的一种算法。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
研究了用于低轨卫星通信的直接序列扩频系统的码捕获技术。
A communicator USES BPSK direct - sequence (DS) spreading modulation and BPSK data modulation.
一个传达者使用BPSK指导序列(DS)传播调制和BPSK数据调制。
A direct sequence spread spectrum (DSSS) receiver has strict requirement on local carrier's synchronization, and always needs complex circuits.
直接序列扩频接收机对本地载波的同步要求非常严格，以往所需电路复杂。
The hull block assembly plays a significant role in the process of shipbuilding, and block assembly sequence planning (ASP) has direct effect on building efficiency of the hull.
船体分段装配在船体的建造过程中有着举足轻重的地位，船体分段装配序列规划的好坏直接影响到船体的建造效率。
According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题，提出了基于软件无线电平台的处理方法。
The principle of direct sequence spread spectrum ranging is introduced and the echo model of near field ranging is discussed.
论述了直接序列扩频测距的原理，研究了近距离测距的回波模型。
We put forward a method which can easily be realized in DSP and direct sequence spread-spectrum system based on QPSK, it achieved a good performance in tests.
提出了易于在DSP以及QPSK的直接序列扩展频谱系统中实现的方法，并在测试中达到了较好的性能。
In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.
在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。
Aiming at the acquisition problem of direct sequence spread-spectrum (DSSS) signals with large Doppler offset, a new method based on fast Fourier transform (FFT) is proposed.
针对具有大多普勒偏移的直接序列扩频信号捕获问题，提出一种基于快速傅里叶变换(FFT)的多普勒和伪码分别并行搜索的捕获新方法。
In direct sequence code division multiple access (DS-CDMA) communications, blind signal detection and interference cancellation are the important methods to increase system capacities.
在直扩码分多址(DS - CDMA)通信中，盲信号检测及干扰抑制技术是增加系统容量的重要手段。
Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined.
文中提出的虚拟式直接序列扩频通信电台将直接序列扩频通信、软件无线电和虚拟技术相结合。
Extron 1-5 of RHO gene was amplified by polymerase chain reaction (PCR), and the mutation of RHO gene was screened by direct DNA sequence measurement.
采用聚合酶链反应(PCR)方法扩增rho基因第1 ~ 5外显子和第1内含子基因片段，用直接dna测序法筛查rho基因突变。
This paper discusses the despread of low signal to noise ratio of the direct sequence (DS) spread spectrum signals using intermediate-frequency recirculation summation loop (IFRSL).
本文讨论了用中频积累法实现低信噪比直接序列扩频信号的解扩。
Based on the order rearrangement of single photon sequence, we present a multiparty controlled quantum secure direct communication protocol.
基于单光子序列的顺序重排，提出了一种可应用于一些特殊的场景的多方控制的量子安全直接通信协议。
The performance of Direct Sequence Spread Spectrum(DSSS) in severe pulsed noise interference will be badly degraded when the duty factor is small.
当脉冲干扰占空比较小时，干扰能量集中，导致直接序列扩频（DSSS）系统的误码性能较差。
The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed, and the simulation models of TH-IR and DS-IR systems were installed.
首先分析了超宽带技术与传统的直接序列扩频技术的区别，然后建立了TH -IR和DS - IR超宽带系统的仿真模型，得到两种IR系统在多种干扰条件下的误码率性能。
The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed, and the simulation models of TH-IR and DS-IR systems were installed.
首先分析了超宽带技术与传统的直接序列扩频技术的区别，然后建立了TH -IR和DS - IR超宽带系统的仿真模型，得到两种IR系统在多种干扰条件下的误码率性能。
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