记数法

jì shù fǎ
  • Numeration;system of notation;scale of notation;system of numeration;number scale
记数法记数法
记数法[jì shù fǎ]
  1. 阿拉伯的(十进制的)记数法。

    The Arabic ( or decimal ) system of numeration .

  2. 此外,还可以使用指数记数法表示浮点型直接量,即实数后跟随字母e或E,后面加上正负号,其后再加一个整型指数。

    Floating-Point literals may also be represented using exponential notation : a real number followed by the letter e ( or E ), followed by an optional plus or minus sign , followed by an integer exponent .

  3. 在本例中,我必须将左边距设置为6个字符宽度,以便调整cosec(x)=1/sin(x)的科学记数法中的tics。

    In this case , I had to set the left margin to6-characters wide to accommodate the tics in scientific notation for cosec ( x ) = 1 / sin ( x ) .

  4. 方法采用人微血管内皮细胞(HMVEC),用MTT和记数法观察不同浓度的环磷酰胺对HMVEC的增殖和出芽抑制活性。

    Methods Human microvascular endothelial cells ( HMVEC ) were cultured . MTT and number-calculating methods were used to observe cyclophosphamide on HMVEC ′ s proliferation and sprouts .

  5. 分别以浓度、温度、接种量、通气量和表面活性剂为降解调控因子,采用平板记数法进行了生物泥浆反应器中微生物数量变化与PAHs降解的关系研究。

    Taking concentration , temperature , inoculation amount , aeration and surfactant as regulation factors and by plate account ( CFU ) method to account the microbes , the study on the variation of microbes amount and its relations with the degradation of PAHs in the bio-slurry reactor is conducted .

  6. 可以十六进制记数法向微处理器输入的一种键盘。

    A keyboard having input to a microprocessor in hexadecimal notation .

  7. 分析了用盒记数法计算分维值的方法;

    Analyzing method of calculating fractal - dimension by box - counting ;

  8. 一种使用以2为基数的记数法的数制。

    A number system written to the base two notation .

  9. 可以用十进制、十六进制或八进制记数法定义整数常数

    Integer constants can be defined in decimal , hex or octal notation

  10. 这是古老的记数法苏州码子

    It 's an ancient number system . Hang Zhou .

  11. 我们用盒子记数法数值计算了不规则分形的分数维数。

    We calculate the dimension of the fractal .

  12. 二进制补码数记数法

    Two 's complement number notation

  13. 记数法中的位值思想

    Place Value Thought in Numerations

  14. 其内容涉及记数法、进位制、分数概念、计算工具、算术和几何等内容。

    Its main contents include : numeration , conception of fraction , calculating utensils , arithmetic and geometry .

  15. 对于周期符号级数,利用3进制记数法定义其特征数,给出其通项公式的一种表示方法。

    The general term formula of periodic sign series is given by defining the characteristic number of periodic sign series through 3-adic numeration .

  16. 多种电脑都采用二进位记数法。我们可以按数值方法计算简谐振子的位置。

    A binary system of numbers is used in many computers . We can work out positions of a harmonic oscillator by numerical methods .

  17. 以水蒸气蒸馏法制备鱼腥草中药注射液,金黄色葡萄球菌为供试菌种,通过活菌记数法、加氨苄西林钠辅助法对鱼腥草注射液的体外抗菌活性进行研究。

    Antibacterial activity in vitro of the Houttuynia cordata Thunb injection was researched by viable count method and ampicillin sodium assistant method using staphylococcus .

  18. 以活菌记数法、加抗生素辅助法测定中草药的体外抗菌活性,方法可行,数据可靠。

    It was concluded that the viable count method and ampicillin sodium assistant method were feasible and credible to measure antibacterial activity in vitro of Chinese traditional medicine .

  19. 在按位记数法中,位于一个数的第一个非零数位左边的多个零。

    In a positional notation , a zero in a more ? significant ? ? digit ? place than the digit place of the most significant nonzero digit of a numeral .

  20. 着重讲述了巴比伦的记数法&一种采用位置记数法和六十进位制的体系。

    Expression of binary numerals in a system of positional notation in which each successive digit position is weighted by a factor of two times the weight of the prior position .

  21. 例如,格式说明符指示:是否应该用科学记数法来表示格式化的数字,或者,格式化的日期在表示月份时应该用数字还是用名称。

    For example , format specifiers indicate whether a formatted number should be represented in scientific notation , or whether a formatted date should present the month as a number or a name .

  22. 精配准时,借鉴联合直方图区域记数法的思路,在灰度信息的统计特性空间上巧妙定义一种全局准则函数,既能保证精度又摆脱了大量的浮点运算。

    For precious registration , the regional counting method based on joint-histogram is used for reference to define a global criterion function in statistical gray feature space , thus avoiding heavy floating-point operation while keeping processing precision .

  23. 采用记数板记数,常规法涂片,在光学显微镜下对三疣梭子蟹进行细胞体、细胞核的测量及血淋巴细胞的分类记数,并测定血液生化指标。

    Morphometrical and taxonomical hemocytes were conducted under light microscope using Neubauer s board and smear , and the blood biochemical values were determined in Portunus trituberculatus .