bc-m 中文意思是什麼

bc-m 解釋

bc : B. C. ＝ Before Christ 公元前。
m : （pl. M's, m's）1. 英語字母表第十三字母。2. M 形狀的東西；【印刷】＝ em. 3. M （羅馬數字） 1000. MCML ＝ 1950.

例句

1. physical changes of hemolymph of p. americanna after injection with m. anisopliae the ph value of hemolymph of p. americanna increased rapidly from ph6. 8 to ph 7. 0 and the number of hemocytes ( nh ) of p. americanna at all the developing stages became lower than the blank control ( bc ) after injection with 4 + 107 / ml fungal spores

1注射綠僵菌孢子后蜚蠊血淋巴物理性質的變化蜚蠊若蟲血淋巴ph值為ph6 . 8 ，注射4 10 ~ 7個/ ml濃度的綠僵菌孢子到蜚蠊體內后，蜚蠊血淋巴的ph值上升到ph7 . 2 。
In proc. neural information processing systems conference, vancouver, bc, canada, 2001, pp. 945 - 952. 11 floater m. parameterization and smooth approximation of surface triangulations

根據先前的研究表明，大多數情況，特徵數據是分佈在彎曲的流形空間中，研究非線性的降維方法勢在必行。
The antiquities and monuments office of the home affairs bureau had, before the commencement of the project, formed a team consisting of local and mainland chinese archaeologists to conduct excavation work at tung wan tsai, ma wan. the site occupies an area of more than 1, 500 ( in line with other units, it is suggested to amend as " sq. m. " ). the team found antiquities of 6 archaeological periods, including the mid - neolithic age ( about 3000 bc ), the late neolithic age ( about 2000 bc ), the early bronze age ( about 1000 bc ), the han dynasty ( 206 bc - 220 ad ), the tang dynasty ( 618 - 917 ad ) and the qing dynasty ( 1644 - 1911 ad )

由於馬灣將展開大型房地產發展，民政事務局古物古跡辦事處組織由本地及國內專業人士組成的考古隊，於一九九九年六月至十一月期間，在馬灣東灣仔進行搶救性發掘工作，總發掘面積超過1 ， 500平方米，共發現六個時期的考古遺存，包括：新石器時代中期（約公元前三千年）、新石器時代晚期（約公元前二千年）、青銅器時代早期（約公元前一千年）、漢代（公元前206 -公元220年）、唐代（公元618 - 917年）及清代（公元1644 - 1911年）。