求翻译：收集孕妇外周血，提取血浆中游离DNA，应用Q-PCR技术测定DNA含量，计算染色体的Z-score值，数据输出以及开发基于生物统计学基础的分析软件。是什么意思？

Collection of maternal blood, extracted plasma free DNA, application of Q-PCR DNA content was measured to calculate the chromosome of the Z-score value, based on data output and the development of biometric-based analysis software.

Pregnant women who gathered in peripheral blood plasma extraction applications, dissociate DNA Q - PCR DNA technical measurements of chromosomes, calculate Z content - score value output of data, as well as development based on biometric based analysis software.

Collects the pregnant woman circumference blood, the extraction blood plasma middle reaches leaves DNA, determines the DNA content using the Q-PCR technology, the computation chromosome Z-score value, the data output as well as the development based on the biometrics foundation analysis software.

Collected from peripheral blood of pregnant women, extraction of plasma free DNA and content determination of DNA using Q-PCR technology, chromosome Z-score value calculation, data output, and development of analysis software based on biometric.

Collected from peripheral blood of pregnant women, extraction of plasma free DNA and content determination of DNA using Q-PCR technology, chromosome Z-score value calculation, data output, and development of analysis software based on biometric.