piing

n.

the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...

someone who can be employed as a detective to collect information

同义词：private detectiveprivate eyeprivate investigatoroperativeshamussherlock

the scientist in charge of an experiment or research project

同义词：principal investigator

the 16th letter of the Greek alphabet

an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

同义词：protease inhibitor

IS-7 The Induction of Multidrug Resistance in Human Cervical Carcinoma Cell Lines by Estrogenic Hormones
Effect of epidermal growth factor on the sheet formation of the human keratinocyte in cell culture.
Riser response reconstruction using an inhomogeneous waveguide model
Experience of periappendiceal abscess misdiagnosed as ovarian tumor
IS-33 Estrogenic Hormone Induced 17-β-Hydroxysteroid Dehydrogenase in Rat Endometrium Cells in Vitro
IS-34 Mechanism of Estrogen-Induced 17-β-Hydroxysteroid Dehydrogenase in Ovariectomized Rat Uterus
On edge-gracefulness of the kth power graphs
Cryptosporella platyphylla, a new species associated with Betula platyphylla in China
Synthesis and Characterization of a new aluminophosphate molecular
Eeologi~l principles 0f hlgh and stable yield ot wheat-eorn-rl~ trlpJe mopping system in Yangzi River delta region.