Sentence examples for only two varieties from inspiring English sources

The only two varieties of GM that have been sold in the past 15 years are resistant to a particular type of pest and a particular type of herbicide.

Our ancestors seem to have had some variegated forms but only two varieties are listed in the RHS Plantfinder today, the hardier latifolia (broad-leafed) and angustifolia (narrow-leafed), with its even narrower version, rosmarinifolia.

We prove that (i) the marginal benefit of adding one more variety is diminishing in n; (ii) the loss from restricting the number of varieties is of order no more than 1/n2; (iii) the marginal benefit of adding one more variety is of order no more than 1/n3; and (iv) offering only two varieties can lead to more than two-thirds of the potential profit from the second best offering.

At the moment, we're struggling with both questions, because only two varieties of the same inductive coupling technology are commercially available, with a practical charging range of up to 4 inches for phones.

Currently the brand is only available in the UK, and has only two varieties – Seedlip Spice 94, a spicy version produced with cloves, lemon, and cardamom, and Seedlip Garden 108, made with sweet pea, cucumber, and meadow grass.

Black holes seem to come in only two varieties: "supermassive" ones, which power quasars and weigh millions to billions of times more than the sun, and "stellar mass" black holes, which have about the mass of one large star.

(There are only four varieties to choose from, including a cheeseless Marinara and a tomatoless Bianca).

Most recent neutrino experiments confirm the belief by many physicists that neutrinos come in three -- and only three -- varieties.

Despite a brief vogue for it in the late '80s in New York restaurants, few Americans have even heard of the spirit; indeed, only four varieties are routinely available in the United States.

Among the 69 cultivars, only four varieties had the TGW6-Kasalath allele, suggesting that the yield-positive allele is a rare allele (Ishimaru et al. 2013).

Growers around the world cultivate only three varieties of cacao, she says, because they usually can't afford breeding programs to create new fungus-resistant hybrids.