The sum of negative and positive energies of the universe maintains zero just like the contrastive entropies,and consequently,the biological evolution is the essential development o.
在此基础上,得出了正能量对应于正熵、负能量对应于负熵;宇宙正能量与负能量之和为零;宇宙的正熵与负熵之和亦为零;自然万物的进化是宇宙发展必然产物的试探性结论。
By comparing the historical documents, the article discovers there are mainly five standpoints on the origin of the number zero, the origins of Babylon, Maya, India, Arab and China.
进一步考查数0在不同文化中的名称、符号及含义的演变过程发现,在古巴比伦时期就有了零的萌芽,在玛雅时期已出现了零的象形符号与含义,在古印度时期已出现了圆圈符号“0”表示的零,公元8世纪印度数码又传入了阿拉伯,在古代中国也较早地出现了用“口”、“○”等其它文字表示的零。
As the dialectical unity of "nothing" and "anything", "Tao" is represented in mathematics as "nought" and takes the form of "field" in reality.
“道”作为“无”与“有”的辩证统一 ,其数学表述形式是“零”,现实存在形式为“场”。
The combination of positive energy and negative energy is to be nil at all time.
宇宙正、负能量之和时刻保持为零。
Adopting Jar tests, the influence of composite proportion of aluminum sulfate (AS)/polydimethyldiallyl ammonium chloride (PDM) composite coagulant, and PDM intrinsic viscosity on turbidity removal effect and precipitating performance for summer Taihu Lake high algae contain water were studied, and the turbidity removal effect under the condition of pre-chlorination technique was compared.
;采用混凝烧杯实验,考察了硫酸铝(AS)/聚二甲基二烯丙基氯化铵(PDM)复合混凝剂的复合比例、PDM特征黏度对夏季太湖含藻水脱浊效果及絮团沉淀性能的影响,并与预加氯工艺条件下的混凝脱浊效果进行了比较。
Jar tests were used to study the influences of the inorganic coagulant sorts and the composite ratios of inorganic coagulants to PDM on the efficiency of turbidity removal.
该文报道了用特征黏度系列化的有机阳离子高分子聚二甲基二烯丙基氯化铵(PDM)与无机混凝剂复合物对宁波低浊度姚江水的脱浊处理研究过程。
The performances of polyalu-minum chloride,aluminum sulfate,polyferric sulfate and two kinds of commercial coagulants in the turbidity removal are compared by jar test.
通过混凝烧杯实验,比较了聚合氯化铝、硫酸铝、聚合硫酸铁、两种市售药剂对该水的混凝脱浊效果,同时考察了强弱两种混凝搅拌条件对混凝效果的影响。
retail businesses, traders
零售生意、 零售商
oddments of food [information]
零碎 [零星] 的食物 [信息]
The firing was desultory.
这种射击是零零碎碎的。
Aleph, alpha: nought, nought, one.
阿列夫，阿尔法，零，零，一。
Breaking up the whole into parts, assembling the parts into a whole.
化整为零，化零为整。
the symbol 0,representing nought or zero 0
零.（代表无或零的符号）
Home-made parts are being substituted for imported ones.
国产零件取代进口零件。
by ones and twos
两两地，零零落落地
Tradesman engaged in retail trade.
零售商从事零售贸易
Multiply 6 by nothing,and the result is nothing.
零乘以六的结果是零。
X is killed by some non-zero element of A.
X被A中某个非零元零化。
Overall wastage of the Civil Service in 2000-2001 was 3.1 per cent.
二零零零至零一年度，公务员的整体流失率为3.1%。
They came into effect on October 1, 2000.
指引自二零零零年十月一日起生效。
It aims to complete the review by 2000.
检讨工作预期在二零零零年内完成。
Construction is expected to start in 2000 for completion in 2004;
这两项计划预计于二零零零年展开，二零零四年竣工。
A total of $152 billion Hong Kong dollar debt issues were launched in 2001, compared with $181 billion in 2000.
二零零一年，港元债券发行总额有1,520亿元，二零零零年则有1,810亿元。
Infrastructure works are tentatively scheduled to commence in late 2000 for completion in 2004.
基础建设工程暂定于二零零零年底展开，于二零零四年完成。
In the five-year period from 2001-02 to 2005-06, $6.5 billion will be spent on these projects.
在二零零一／零二至二零零五／零六年的五年期间，这些工程的开支约达65亿元。