The output from Listing 10 is 2 0 a a both x3 and x4 are null.
清单10的输出是20a aboth x3and x4 are null。
The pretreatment effect on X4 and ZCF57 wheat straw biochemical pulping was investigated.
研究了预处理对菌株x4、青霉zcf57麦草生物化学制浆的影响。
There were obvious differences between X4/SI and R5/NSI viruses in env V3 loop sequences.
SI病毒和R5 /NSI病毒在V3环氨基酸序列方面，存在明显的区别。
The company version Type 98 is fitted with an X4 telescope optical sight with a night vision channel (300m range).
连级98型装配有一个夜视通道X4望远镜白光瞄准镜（300米距离）。
We are very glad to enclose the latest price list and product catalogue, together with details of Model X4 computer.
我方很高兴把最近的价格表和产品目录连同X4型号的详细配置寄给贵方。
Before undergoing the transplant, the patient was also found to be infected with low levels of a type of HIV known as X4, which does not use the CCR5 receptor to infect cells.
在进行移植前，病人被发现感染了少量的一种HIV病毒，X4。这种病毒不利用CCR5作为受体来感染细胞。
RESULTS: The material basis of the Wuzhuyu decoction was found to be produced chiefly by the chemical constituents contained in No. X4, X9 (rutaecarpine), X10 and X12 chromatographic peaks.
结果：确定吴茱萸汤的药效物质基础主要为产生X4，X9，X10和X12号色谱峰中的化学成分（已确认X9为吴茱萸次碱）。
There were many good strains which had such potential such as X4 and X1 in Xi 'an only in consideration of nitrogenase activity. But few strains with such ability were isolated from Lanzhou.
单从固氮酶活性来看，西安地区草地有开发潜力的优良菌株相对较多，如X4和X1，而兰州地区的相对较少。
There were many good strains which had such potential such as X4 and X1 in Xi 'an only in consideration of nitrogenase activity. But few strains with such ability were isolated from Lanzhou.
单从固氮酶活性来看，西安地区草地有开发潜力的优良菌株相对较多，如X4和X1，而兰州地区的相对较少。
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