1.
Hispanica De Petroleos Sa
西班牙石油能源公司
2.
A marine food and game fish(Cynoscion regalis)of North American Atlantic waters.
犬牙石首鱼北美大西洋水域产的一种食用海鱼和垂钓用鱼（犬牙石首鱼犬牙石首鱼属）
3.
Areas of subgingival calculus were selected from 6 freshly extracted human teeth with periodontal disease.
选取6颗新近拔除的有明显龈下牙石的牙周病患牙。
4.
Hartz? DENTAL? Chew' n Clean? are patented balls that help clean your dog's teeth and gums, removing harmful tartar.
专业兽医研制，帮助清洁狗狗的牙齿和牙龈，去除有害牙石。
5.
Within 24 hours, plaque can harden to form tartar, which can only be removed by a professional.
24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除。
6.
A concretion of mineral salts and organic matter deposited on the surface of the teeth.
牙石牙齿表面结晶形成的盐类矿物和有机物质的混合固体
7.
Sampling Investigation on Gingival Bleeding and Dental Calculus in three Age Groups in Shandong Province in 2005
2005年山东省3个年龄组人群牙龈出血与牙石检出情况抽样调查
8.
a limestone promontory at the southern tip of Spain; controlled by Britain; strategically important because it can control the entrance of ships into the Mediterranean.
西班牙南端的石灰石地形的海峡。
9.
The vertical Interaction Model of cone Bit Teeth-rock
牙轮钻头牙齿与岩石垂向互作用仿真模型
10.
Conodonts from the Denominated Section of Carboniferous Benxi Formation, Benxi, Liaoning;
辽宁本溪石炭系本溪组命名剖面的牙形刺化石
11.
The Refitting of Lithic Artefacts from the Longyadong Cave,Luonan Basin,China;
洛南花石浪龙牙洞1995年出土石制品的拼合研究
12.
A STUDY OF LITHIC ASSEMBLAGES FROM 1995 EXCAVATION AT LONGYADONG CAVE,LUONAN BASIN,CHINA;
洛南花石浪龙牙洞1995年出土石制品研究
13.
Portuguese Petroleum Refinery Concessionary
葡萄牙特许石油加工公司
14.
A bridge made in the dental laboratory on plaster models.
要做桥梁修复的牙齿要做成石膏模型。
15.
Sociedade Anonima de Petroleos am Portugal, SARL
葡萄牙特许石油制炼公司
16.
rugged limestone rocky land
石灰岩犬牙交错状裸露地段
17.
from 425 million to 500 million years ago; conodonts and ostracods and algae and seaweeds.
牙形石、介形亚纲动物、藻类植物。
18.
STUDY ON THE CAMBRIAN-ORDOVICIAN CONODONTS FROM ZHUJI,ZHEJIANG
浙江诸暨地区寒武-奥陶系牙形石研究